316 (number)

← 315 316 317 →
Cardinalthree hundred sixteen
Ordinal316th
(three hundred sixteenth)
Factorization22 × 79
Greek numeralΤΙϚ´
Roman numeralCCCXVI, cccxvi
Binary1001111002
Ternary1022013
Senary12446
Octal4748
Duodecimal22412
Hexadecimal13C16

316 (three hundred [and] sixteen) is the natural number following 315 and preceding 317. The factors of 316 are 1, 2, 4, 79, 158 and 316. This can be represented in the form 2² × 79. 316 is a centered triangular number and a centered heptagonal number.

316 is also an Ulam number and a member of one Tetranacci sequence. It appears in counting asymmetric polyominoes and binary-matrix involutions.