Number 8

Interestingness: 33 · Rank #6 of 1000

Visual representations

Binary image (n×n bits)
Element O – Oxygen
Octogonal · P8(2) = 8
2³
Prime factorization

Representations of 8

Greek numeral
ηʹ
Sanskrit numeral
८
Arabic numeral
٨
Roman numeral
VIII
Maya numeral
●●●
▃▃▃▃▃
Chinese numeral
八
Hebrew numeral
ח
Egyptian numeral
𓏹𓏹𓏹𓏹𓏹𓏹𓏹𓏹
Morse code
---..

8 in different numeral systems

Binary
1000
Base-3
22
Base-4
20
Base-5
13
Base-6
12
Base-7
11
Base-8
10
Duodecimal
8
Hex
8
Vigesimal
8
Base-24
8
Base-36
8
Negabinary
11000

Factorization

Prime factors: 2
Divisors: 1, 2, 4, 8
Sum of divisors other than 8: 7
Product of prime factors: 8 = 2 × 2 × 2

Number-theory characteristics (13)

Octogonal Cubic Perfect Power Difference of 2 squares Layland Odious number Refactorable Powerful number Even Fibonacci Ones-Zeroes Composite Deficient

Base-10 digit properties (7)

These depend on the decimal representation of the number.

Palindromic Harshad Repdigit Spy number Narcissistic Strobogrammatic Zuckerman number

Related primes

Number 8 prime
Prime number before 8
Prime number after 8