Representation numerals

νεʹ

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LV

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五十五

נה

Numeral systems

Binary: 110111

Septimal (base 7): 106

Octal: 67

Hexadecimal: 37

Base 24: 27

Sums & differences

Difference of 2 squares: 55 = 8^{2} - 3^{2} = 28^{2} - 27^{2}

Characteristics

55 is a Fibonacci number

55 is a triangular number

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The next triangular is: 66

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The next triangular is: 66

55 is a heptagonal number

55 is a palindromic number in decimal system