202 (number) explained

Number:	202
Divisor:	1, 2, 101, 202

202 (two hundred [and] two) is the natural number following 201 and preceding 203.

In mathematics

202 is a Smith number, meaning that its digit sum and the sum of digits of its prime factors are equal.^[1] It is also a strobogrammatic number, meaning that when shown on a seven-segment display, turning the display upside-down shows the same number.^[2]

There are exactly 202 partitions of 32 (a power of two) into smaller powers of two.^[3] There are also 202 distinct (non-congruent) polygons that can be formed by connecting all eight vertices of a regular octagon into a cycle,^[4] and 202 distinct (non-isomorphic) directed graphs on four unlabeled vertices, not having any isolated vertices.^[5]

See also

• Area code 202, the area code assigned to Washington D.C.
• HTTP status code 202 meaning the request was accepted but has not yet been fulfilled
• List of highways numbered 202
• The Peugeot 202 automobile
• Potassium sorbate, a preservative whose E number is 202

Notes and References

1. Smith (or joke) numbers.
2. Strobogrammatic numbers.
3. Number of partitions of 2^n into powers of 2.
4. Number of n-gons with n vertices.
5. Number of n-node unlabeled digraphs without isolated nodes.