The number 11

Representation numerals

Greek numeral

ιαʹ

Arabic numeral

١١

Roman numeral

XI

Maya numeral


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Chinese numeral

十一

Hebrew numeral

יא
Numeral systems
Binary: 1011
Septimal (base 7): 14
Octal: 13
Hexadecimal: b
Base 24: B
Factorization
11 is a prime number (Gaussian prime)
Sums & differences
Difference of 2 squares: 11 = 62 - 52
Characteristics
11 is a palindromic number in decimal system
Related primes
The 11th prime number is: 31
Previous prime number: 7 — Next prime number: 13
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