16 (number)

natural number

16 (sixteen) is a number. It comes between fifteen and seventeen, and is an even number. It is also the 4th square number, after 1, 4, and 9. It is the base of hexadecimal numbers.

← 15 16 17 →
Cardinalsixteen
Ordinal16th
(sixteenth)
Numeral systemhexadecimal
Factorization24
Divisors1, 2, 4, 8, 16
Greek numeralΙϚ´
Roman numeralXVI
Binary100002
Ternary1213
Quaternary1004
Quinary315
Senary246
Octal208
Duodecimal1412
Hexadecimal1016
VigesimalG20
Base 36G36
Hebrewט"ז (Tet Zayin)

In Roman numerals, 16 is written as XVI.