203 (number)

203 (two hundred [and] three) is the natural number following 202 and preceding 204.

← 202 203 204 →
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Cardinal	two hundred three
Ordinal	203rd (two hundred third)
Factorization	7 × 29
Divisors	1, 7, 29, 203
Greek numeral	ΣΓ´
Roman numeral	CCIII
Binary	110010112
Ternary	211123
Octal	3138
Duodecimal	14B12
Hexadecimal	CB16

In mathematics

203 is the seventh Bell number, giving the number of partitions of a set of size 6.[1] 203 different triangles can be made from three rods with integer lengths of at most 12, and 203 integer squares (not necessarily of unit size) can be found in a staircase-shaped polyomino formed by stacks of unit squares of heights ranging from 1 to 12.[2]

In other fields

• 203 is the HTTP status code indicating non-authoritative information.[3]

See also

• Area code 203, in Connecticut
• The year 203

References

1. Sloane, N. J. A. (ed.). "Sequence A000110 (Bell or exponential numbers: number of ways to partition a set of n labeled elements)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
2. Sloane, N. J. A. (ed.). "Sequence A002623 (G.f.: 1/((1-x)^4*(1+x)))". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
3. Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content, 203 Non-Authoritative Information, ietf.org, retrieved 2014-07-26.