The number 1

Representation numerals

Greek numeral

αʹ

Arabic numeral

١

Roman numeral

I

Maya numeral


Chinese numeral

Hebrew numeral

א
Numeral systems
Binary: 1
Septimal (base 7): 1
Octal: 1
Hexadecimal: 1
Base 24: 1
Factorization
Sums & differences
Characteristics
1 is a Fibonacci number
1 is a triangular number

The next triangular is: 3
1 is a pentagonal number
1 is a hexagonal number
1 is a heptagonal number
1 is a octogonal number
1 is a palindromic number in decimal system
1 is a palindromic number in binary system (1)
1 is a palindromic number in septimal system (1)
Related primes
The 1st prime number is: 2
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