Number 51

Interestingness: 9 · Rank #334 of 1000

Visual representations

Binary image (n×n bits)
Element Sb – Antimony
Pentagonal · P5(6) = 51
317
Prime factorization

Representations of 51

Greek numeral
ναʹ
Sanskrit numeral
५१
Arabic numeral
٥١
Roman numeral
LI
Maya numeral
●●
●
▃▃▃▃▃
▃▃▃▃▃
Chinese numeral
五十一
Hebrew numeral
נא
Egyptian numeral
𓎆𓎆𓎆𓎆𓎆
𓏹
Morse code
......----

51 in different numeral systems

Binary
110011
Base-3
1220
Base-4
303
Base-5
201
Base-6
123
Base-7
102
Base-8
63
Duodecimal
43
Hex
33
Vigesimal
2b
Base-24
23
Base-36
1f
Negabinary
1110111

Factorization

Prime factors: 3, 17
Divisors: 1, 3, 17, 51
Sum of divisors other than 51: 21
Product of prime factors: 51 = 3 × 17

Number-theory characteristics (6)

Pentagonal Difference of 2 squares Evil number Odd Composite Deficient

Base-10 digit properties (1)

These depend on the decimal representation of the number.

Trimorphic

Related primes

Number 51 prime
Prime number before 51
Prime number after 51