400 (number)

This article is about the numbers 400 to 499. For the year 400 AD, see 400. For other uses, see 400 (disambiguation).
← 399 400 401 →
Cardinalfour hundred
Ordinal400th
(four hundredth)
Factorization24 × 52
Divisors1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400
Greek numeralΥ´
Roman numeralCD
Binary1100100002
Ternary1122113
Senary15046
Octal6208
Duodecimal29412
Hexadecimal19016
Hebrewת
ArmenianՆ
Babylonian cuneiform𒐚𒐏
Egyptian hieroglyph𓍥

400 (four hundred) is the natural number following 399 and preceding 401.