Fact 41. ‘Four’ is the only number in the English language that is spelled with the same number of letters as the number itself. Fascinating!

Fact 42. A Russian mathematician known as **Grigori Perelman** solved a math problem that was unsolved for over a century. He rejected $1 million in awards and a Field medal. He later retired because he hated how the maths community recognizes people who prove things. -Source

Fact 43. Johann Gustav Hermes, a German mathematician spent a decade writing a 200-page manuscript about drawing a regular 65537 sided polygon with a compass and a straightedge. -Source

Fact 44. Most symbols that are used in mathematics weren’t invented until the 16th century. Before 16th-century people used to write equations in words. -Source

Fact 45. George Dantzig, a mathematician from Portland, Oregon solved two of the most famous statistics problems just because he came late into class too late to hear that they were supposed to be unsolvable. -Source

Fact 46. There is a prime number which is also a palindrome known as Belphegor’s prime.

Fact 47. Belphegor’s prime number is named after the prince of hell for ingenious invention because it contains two sets of 13 zeroes with 666 in the center, this is Belphegor’s prime number 1000000000000066600000000000001. -Source

Fact 48. “The Taming of the Shrew” is the only Shakespearean play where “mathematics” is used. -Source

Fact 49. There are prime numbers which are illegal to possess or distribute known as illegal prime. -Source

Fact 50. Yitang Zhang, a Chinese mathematician solved a math problem that had been unsolved for 150 years, he used to be an accountant and a delivery worker for a New York City restaurant. He later won MacArthur Genius Grant. -Source