262 (number)

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← 261 262 263 →
Cardinaltwo hundred sixty-two
Ordinal262nd
(two hundred sixty-second)
Factorization2 × 131
Divisors1, 2, 131, 262
Greek numeralΣΞΒ´
Roman numeralCCLXII
Binary1000001102
Ternary1002013
Octal4068
Duodecimal19A12
Hexadecimal10616

262 (two hundred [and] sixty-two) is a natural number proceeded by the number 261 and followed by 263.

In mathematics[edit]

The prime factorization of 262 is 2·131.

262 is a semiprime,[1] a happy number,[2] a palindrome in base 10,[3] an untouchable number,[4] a 2-Knödel number,[5] the number of labeled rooted trees with 4 nodes,[6] and a meandric number[7] of order 6.

In other fields[edit]

Science[edit]

262 is the atomic weight of the most stable isotope of lawrencium, the heaviest actinide.

Disambiguation[edit]

262 may also refer to:

References[edit]

  1. ^ Sloane, N. J. A. (ed.). "Sequence A001358 (Semiprimes)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  2. ^ Sloane, N. J. A. (ed.). "Sequence A007770 (Happy numbers)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  3. ^ Sloane, N. J. A. (ed.). "Sequence A002113 (Palindromes in base 10)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  4. ^ Sloane, N. J. A. (ed.). "Sequence A005114 (Untouchable numbers)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  5. ^ Sloane, N. J. A. (ed.). "Sequence A050990 (2-Knödel numbers)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  6. ^ Sloane, N. J. A. (ed.). "Sequence A005264 (Labeled rooted trees)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  7. ^ Sloane, N. J. A. (ed.). "Sequence 005316 (Meandric numbers)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.