264 (two hundred [and] sixty-four) is the natural number following 263 and preceding 265.

In mathematics

264 is an even composite number[1] with three distinct prime factors (23 × 3 × 11).[2] 264 is a Harshad number in base ten,[3] also divisible by each of its digits.

264 is the sum of all even composite numbers that are not the sum of two abundant numbers (not necessarily distinct): 4 + 6 + 8 + 10 + 12 + 14 + 16 + 18 + 20 + 22 + 26 + 28 + 34 + 46.[4] The only other even number that is not the sum of two abundant numbers is the only even prime number, 2.

References

  1. ^ Weisstein, Eric W. "Composite Number". mathworld.wolfram.com.
  2. ^ "Number 264 - Facts about the integer". Numbermatics.
  3. ^ "About The Number 264". June 12, 2023.
  4. ^ Sloane, N. J. A. (ed.). "Sequence A048242 (Numbers that are not the sum of two abundant numbers (not necessarily distinct).)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2024-07-26.
Allikas: https://en.wikipedia.org/wiki/264_(number)
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