At the time of his birth, Leonardo's full name was Lionardo di ser Piero da Vinci, which translates as "Leonardo, (son) of ser Piero from Vinci." To his contemporaries, he was simply known as Leonardo or "Il Florentine" — since he resided close to Florence.

A palindromic number is just a number that is the same reverse as it is forwards, for example, 23432.
So, if we multiply 1 by 1, we get 1. Okay, that was a lazy palindrome; let's move on.
11x11 = 121, 111x111 = 12321, 1111x1111 = 1234321, and so on.

Multiplying 111111111 by 111111111 yields 12345678987654321.
Furthermore, the two integers you are multiplying do not have to have the same amount of ones. For instance, 11x1111 = 12221 and

In the good ol' USA, around 300 billion pizzas are sold each year. Not only that, but 93 percent of Americans have eaten pizza in the last month, according to a recent survey. Around the Super Bowl, there is a significant increase in pizza delivery sales. It doesn't get any more American than that! Unfortunately, there is no official statistics on how many of those pies were devoured as a result of Amazon billionaire Jeff Bezos' "Two Pizza Rule."

Many variations of the suit exist in different planets, and they are all fire-resistant, bulletproof, and electrically insulated. The cape may also be used as a parachutist or hang glider. High-tech instruments, like as night vision and communication devices, are also used to create the renowned cowl. It's also used to keep his identity hidden from some superhumans.

It is typical for superheroes to die in DC Comics, and most of the time, they find a way to return. Superman has had his share of visits to the afterlife, but one death in particular stands out. The most famous death occurred in the 1993 comic book "The Death of Superman." Doomsday beats Superman to death in this narrative, and they both die battling one other. Later, Superman is resurrected, which isn't the first time this has happened.

Though some historians think that Valentine's Day commemorates St. Valentine's death on February 14, others believe that the event derives from a Pagan fertility festival known as "Lupercalia," which was held on February 15 in ancient Rome. The day was dedicated to Faunus, the Roman god of agriculture, and the Roman founders Romulus and Remus, and was celebrated by sacrificing animals and slapping women with animal skins, a technique thought to increase fertility.

The date of February 14 was formally named "St. Valentine's Day" by Roman Pope Gelasius around the end of the fifth century. However, it wasn't until the Middle Ages that the festival became connected with love and passion, a tradition that sprang from the widespread belief in France and England that birds began their mating season on February 14.

Spider-Man has built a sizable fan following since his beginnings, but did you know that one of their followers is none other than Barack Obama? The former president made his affection for Spider-Man known at a number of child-centered events he attended, and he ranked Spider-Man with Batman as his favourite hero. Marvel had Spider-Man meet Obama in a special edition comic issued just before his inauguration as a thank you for his love of the character.

If you're familiar with Spider-Man, you'll know that one of his most potent talents is his renowned Spider Sense. This heightened sense had alerted him of impending threats and had saved his life several times. His spidey sense was always on and practically hard to avoid. It was unaffected by darkness or blindness. That alone makes it incredible, but it is far more potent than you may expect. It alerted him of existential hazards to his well-being in addition to acute bodily concerns. It would even warn him to any possible witnesses when he changed his outfit, for example.

Curious about how Batman manages to achieve what he does? Do you want to know everything there is to know about the Dark Knight? The Science of Batman is a genuine subject offered at the University of Victoria in Canada. "The great range of flexibility of the human body explored via the life of the Caped Crusader," according to the course description.

Hüseyin Kalkan, the mayor of Batman (a town in southern Turkey), sought to sue Warner Bros. and Christopher Nolan in 2008 for exploiting the town's name without authorization. Despite saying that there was only one Batman in the world, there was no true news about it after that. Batman originally debuted in a comic book in 1939. The issue is, which came first, the chicken or the egg? Which came first, the chicken or the egg?

Despite the fact that he is a fictitious character, Bruce Wayne has a higher IQ than Albert Einstein! Einstein's IQ was estimated to be between 160 and 180, while Bruce's is 192!

Italy was a dictatorship until 1945, while having a royal dynasty until 1946. Following WWII, the country decided to become a republic, and King Umberto II governed briefly from May 9 to June 12, 1946. He spent the rest of his days in exile in Portugal. In Italy, he is regarded as "the May King," a reference to his exceptionally brief rule.

If you look closely at your zipper, you'll notice the letters YKK, which stand for Yoshida Kogyo Kabushikikaisha. This business, founded in Tokyo in 1934, is believed to create 7 billion zippers every year.

Despite having one of Europe's oldest histories, Italy has only been a country since 1861. Italy was a unified entity throughout the Roman era. It was thereafter separated into independent states, which it remained until 1861. Because of this lengthy history of individualism, the country now has such a diverse spectrum of cultural variants.

Russians are divided on this truth regarding Poland, however it is widely assumed that vodka was developed in Poland. The spirit was first mentioned in recorded form in Polish court papers in 1405, and it was first utilised as medication. Poland has been manufacturing the popular drink since the Middle Ages, and the Polish still produce some of the greatest vodkas in the world, generating over 260 million litres of it each year.

If you ask an American what they are, they will respond American. If you ask someone from the United Kingdom, they may claim to be British. According to The Rakyat Post, if you ask a Malaysian, they will most likely reply they are Malay, Chinese, Indian, or Dan Lain Lain, which means "other." Malaysia has a Malay population of 55%, a Chinese population of 25%, and an Indian population of 10%. There are more than 60 sub-ethnic groupings in Sarawak and Sabah alone. Malaysia is a unique melting pot of cultures, with a diverse spectrum of nationalities, and is a popular destination for travellers and expats from all over the world.

Algeria is the continent's biggest country, spanning more than 2 million square kilometres and borders Mali, Niger, Libya, Tunisia, Morocco, and Mauritania. This places it above Libya, Sudan, and the Democratic Republic of the Congo, and it is about five times the size of Spain.

An ultra-luxurious lodge has been opened on Nosy Ankao, the biggest of five islands off Madagascar's northeast coast. Miavana (only accessible by helicopter) is a destination for "blue safaris," which include opportunities to see turtles, whales, and dolphins, as well as scuba diving and fishing. There's also a fantastic spa. But start saving now - doubles start at £3,220 per night.

Human settlers first arrived in Madagascar very recently, probably as late as 500AD, some 300,000 years after Homo sapiens originally appeared in Africa.

At 7,500 feet, Chile's Atacama Desert is the driest region on Earth, with a bizarre terrain. Some areas of the region have never seen rain, and the Desert is likely the oldest desert on the planet. The desert stretches over 1,000 kilometres between the Andes Mountains and the Pacific Ocean, covering an area of 363,000 square kilometres.

Chile, with slightly over 1300 volcanoes, is one of the countries with the most, and many of them are currently active. Cerro Arul, Cerro Hudson, and Villarrica are three of Chile's most visible and historically active volcanoes. They are all composite volcanoes, sometimes known as stratovolcanoes. Climbers from all around the globe like putting their abilities to the test on climbs up these volcanoes.

The most impressive artificial paradise, with a length of 1,000 yards, an area of 20 acres, and a maximum depth of 115 feet, can be found in Algarrobo city on the Pacific coast. It was named by the Guinness Book of Records as the World's largest swimming pool, with a length of 1,000 yards, an area of 20 acres, and a maximum depth of 115 feet. It can contain nearly 66 million gallons of crystal clean saltwater. The pool opened in December 2006 after five years of building work at a cost of about one billion dollars ($US) and an annual maintenance cost of roughly two million.

The country's native bird, the hooded pitohui, may be found throughout Papua New Guinea. The hooded pitohui bird, on the other hand, is one of the world's few deadly birds. As a result, hunters are concerned about preserving the birds since they destroy numerous parasites and are beneficial to the ecology. Hunters like these birds' distinct qualities as well. You're unlikely to stumble across one by mistake, so there's nothing to worry about, but it's interesting to know about!

You definitely wouldn't recognise Greece if someone called it by its official name at first, but that's part of what makes it so fascinating! Hellas or Hellada is how the Greeks refer to their country, and the Hellenic Republic is the official name.