Number 65

Interestingness: 6 · Rank #811 of 1000

Visual representations

Binary image (n×n bits)
Element Tb – Terbium
Octogonal · P8(5) = 65
513
Prime factorization

Representations of 65

ξεʹ
●●●
▃▃▃▃▃
六十五
𓎆𓎆𓎆𓎆𓎆𓎆
𓏹𓏹𓏹𓏹𓏹
-.........

65 in different numeral systems

Binary
Base-3
Base-4
Base-5
Base-6
Base-7
Base-8
Duodecimal
Hex
Vigesimal
Base-24
2h
Base-36
1t
Negabinary

Factorization

Prime factors: 5, 13
Divisors: 1, 5, 13, 65
Sum of divisors other than 65: 19
Product of prime factors: 65 = 5 × 13

Number-theory characteristics (6)

Octogonal Difference of 2 squares Evil number Odd Composite Deficient

Related primes

Number 65 prime
Prime number before 65
Prime number after 65