Number 30

Interestingness: 8 · Rank #471 of 1000

Visual representations

Binary image (n×n bits)
Element Zn – Zinc
235
Prime factorization

Representations of 30


▃▃▃▃▃
▃▃▃▃▃
𓎆𓎆𓎆
...-------

30 in different numeral systems

Binary
Base-3
Base-4
Base-5
Base-6
Base-7
Base-8
Duodecimal
Hex
1e
Vigesimal
1a
Base-24
Base-36
u
Negabinary

Factorization

Prime factors: 2, 3, 5
Divisors: 1, 2, 3, 5, 6, 10, 15, 30
Sum of divisors other than 30: 42
Product of prime factors: 30 = 2 × 3 × 5

Number-theory characteristics (6)

Evil number Pronic Even Ones-Zeroes Composite Abundant

Base-10 digit properties (2)

These depend on the decimal representation of the number.

Harshad Duck number

Related primes

Number 30 prime
Prime number before 30
Prime number after 30