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
Duodecimal
1
Hex
1
Vigesimal
1
Base-24
1
Base-36
1
Negabinary
1
Factorization
Divisors
1
Sum of divisors other than 1
0
Characteristics
Triangular Pentagonal Hexagonal Heptagonal Octogonal Nonagonal Decagonal Square Cubic Fourth Power Fifth Power Difference of 2 squares Palindromic Harshad Kaprekar Mersenne One O Odd Fibonacci Ones-Zeroes Unit Deficient
Related primes
Number 1 prime
2