Number 80

Interestingness: 10 · Rank #244 of 1000

Visual representations

Binary image (n×n bits)
Element Hg – Mercury
2⁴5
Prime factorization

Representations of 80

Greek numeral
π
Sanskrit numeral
८०
Arabic numeral
٨٠
Roman numeral
LXXX
Maya numeral
●●●●
ↂ
Chinese numeral
八十
Hebrew numeral
פ
Egyptian numeral
𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
Morse code
---..-----

80 in different numeral systems

Binary
1010000
Base-3
2222
Base-4
1100
Base-5
310
Base-6
212
Base-7
143
Base-8
120
Duodecimal
68
Hex
50
Vigesimal
40
Base-24
38
Base-36
28
Negabinary
1010000

Factorization

Prime factors: 2, 5
Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80
Sum of divisors other than 80: 106
Product of prime factors: 80 = 2 × 2 × 2 × 2 × 5

Number-theory characteristics (6)

Difference of 2 squares Evil number Refactorable Even Composite Abundant

Base-10 digit properties (2)

These depend on the decimal representation of the number.

Harshad Duck number

Related primes

Number 80 prime
Prime number before 80
Prime number after 80