Representation numerals

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٥١

LI

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五十一

נא

Numeral systems

Binary: 110011

Septimal (base 7): 102

Octal: 63

Hexadecimal: 33

Base 24: 23

Sums & differences

Difference of 2 squares: 51 = 10^{2} - 7^{2} = 26^{2} - 25^{2}

Characteristics

51 is a pentagonal number

51 is a palindromic number in binary system (110011)