203 (number) explained

Number:	203
Divisor:	1, 7, 29, 203

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

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 for non-authoritative information, indicating that the request was successful but the enclosed payload has been modified from that of the origin server's 200 (OK) response by a transforming proxy.^[3]
• M203 grenade launcher

See also

• Area code 203, in Connecticut
• The year 203
• Hill 203, near Lüshunkou, China

Notes and References

1. Bell or exponential numbers: number of ways to partition a set of n labeled elements.
2. G.f.: 1/((1-x)^4*(1+x)).
3. http://tools.ietf.org/html/rfc7231#section-6.3.4 Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content, 203 Non-Authoritative Information