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
Cardinal two hundred twenty-six
Ordinal 226th
(two hundred twenty-sixth)
Factorization 2 × 113
Prime no
Greek numeral ΣΚϚ´
Roman numeral CCXXVI, ccxxvi
Binary 111000102
Ternary 221013
Senary 10146
Octal 3428
Duodecimal 16A12
Hexadecimal E216

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]

References

  1. Sloane, N. J. A. (ed.). "SequenceA007770(Happy numbers)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation.
  2. Sloane, N. J. A. (ed.). "SequenceA005224(Aronson's sequence)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation.
  3. Sloane, N. J. A. (ed.). "SequenceA088532(Patterns of permutations)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation.