226 (number)

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

In mathematics

← 225 226 227 →
← 220 221 222 223 224 225 226 227 228 229 → List of numbers Integers ← 0 100 200 300 400 500 600 700 800 900 →
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

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.