Wikipedia
226 (number)
226 (two hundred [and] twenty-six) is the natural number following 225 and preceding 227.
In mathematics edit
Cardinal | two hundred twenty-six |
---|---|
Ordinal | 226th (two hundred twenty-sixth) |
Factorization | 2 × 113 |
Prime | no |
Greek numeral | ΣΚϚ´ |
Roman numeral | 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 edit
- ^ Sloane, N. J. A. (ed.). "Sequence A007770 (Happy numbers)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ^ Sloane, N. J. A. (ed.). "Sequence A005224 (Aronson's sequence)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ^ Sloane, N. J. A. (ed.). "Sequence A088532 (Patterns of permutations)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.