101 is the number following 100 and preceding 102. It's the first prime number after 100, and the alternating factorial of 5. It is also the largest known prime of the form 10n + 1.

Properties

  • 101 is odd palindromic prime.
  • 101 is equal to 27 - 27.
  • 101 is the sum of 2 square numbers with the base of 2 number being consecutive magnitude (1 &10).
  • 101 and 103 are twin primes.[1]
  • Conway group Co1 has 101 conjugacy classes.

101.jpg

In googology

  • Its Roman numeral (CI) is used in Googoci.
  • 10 to the power of 101 is called googolty.
  • 1,000 to the power of 101 is called centillion.

Sources

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