Number 72

Interestingness: 13 · Rank #57 of 1000

Visual representations

Binary image (n×n bits)
Element Hf – Hafnium
Prime factorization

Representations of 72

οβʹ
●●●
●●
▃▃▃▃▃
▃▃▃▃▃
七十二
𓎆𓎆𓎆𓎆𓎆𓎆𓎆
𓏹𓏹
--.....---

72 in different numeral systems

Binary
Base-3
Base-4
Base-5
Base-6
Base-7
Base-8
Duodecimal
Hex
Vigesimal
3c
Base-24
Base-36
Negabinary

Factorization

Prime factors: 2, 3
Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
Sum of divisors other than 72: 123
Product of prime factors: 72 = 2 × 2 × 2 × 3 × 3

Number-theory characteristics (8)

Difference of 2 squares Evil number Pronic Refactorable Powerful number Even Composite Abundant

Base-10 digit properties (1)

These depend on the decimal representation of the number.

Harshad

Related primes

Number 72 prime
Prime number before 72
Prime number after 72