30 (number)

natural number

30 (thirty) is a number. It is an even number. It is divisible by 1, 2, 3, 5, 6, 10, 15, and 30. It is a composite number. It is the number between 29 and 31. In roman numerals it is XXX.

← 29 30 31 →
Cardinalthirty
Ordinal30th
(thirtieth)
Factorization2 × 3 × 5
Greek numeralΛ´
Roman numeralXXX
Binary111102
Ternary10103
Quaternary1324
Quinary1105
Senary506
Octal368
Duodecimal2612
Hexadecimal1E16
Vigesimal1A20
Base 36U36