16 (number)

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.

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