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226 (number)

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226 (two hundred [and] twenty-six) is the natural number following 225 and preceding 227.

In mathematics

← 225 226 227 →
Cardinaltwo hundred twenty-six
Ordinal226th
(two hundred twenty-sixth)
Factorization2 × 113
Primeno
Greek numeralΣΚϚ´
Roman numeralCCXXVI
Binary111000102
Ternary221013
Senary10146
Octal3428
Duodecimal16A12
HexadecimalE216

226 is a happy number,[1] and a semiprime (2×113), and a member of Aronson's sequence.[2] At most 226 different permutation patterns can occur within a single 9-element permutation.[3]

In other fields

  • The number of ages Hanako has been alive.

References

  1. ^ Sloane, N. J. A. (ed.). "Sequence A007770 (Happy numbers)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  2. ^ Sloane, N. J. A. (ed.). "Sequence A005224 (Aronson's sequence)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  3. ^ Sloane, N. J. A. (ed.). "Sequence A088532 (Patterns of permutations)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
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