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Number 1
Representations of 1
Greek numeral
αʹ
Arabic numeral
١
Roman numeral
I
Maya numeral
●
Chinese numeral
一
Hebrew numeral
א
1 in different numeral systems
Binary
1
Base-3
1
Base-4
1
Base-5
1
Base-6
1
Base-7
1
Base-8
1
Hex
1
Base-24
1
Base-36
1
Factorization
Divisors
1
Sum of divisors other than 1
0
Characteristics
Triangular
Pentagonal
Hexagonal
Heptagonal
Octogonal
Square
Cubic
Mersenne
One O
Odd
Fibonacci
Ones-Zeroes
Unit
Related primes
Number 1 prime
2