Number 87

Interestingness: 5

Visual representations

Binary image (n×n bits)
Element Fr – Francium
329
Prime factorization

Representations of 87

πζʹ
LXXXVII
●●●●
●●
▃▃▃▃▃
八十七
𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
𓏹𓏹𓏹𓏹𓏹𓏹𓏹
---..--...

87 in different numeral systems

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

Factorization

Prime factors: 3, 29
Divisors: 1, 3, 29, 87
Sum of divisors other than 87: 33
Product of prime factors: 87 = 3 × 29

Number-theory characteristics (5)

Difference of 2 squares Odious number Odd Composite Deficient

Related primes

Number 87 prime
Prime number before 87
Prime number after 87