Number 55

Names of 55

Nominal 55
Cardinal fifty-five
Ordinal 55th
This number as US currency fifty-five dollars

Properties (and some facts) of 55

Is 55 an odd number? 55 is an odd number
Is 55 an even number? 55 is NOT an even number
Is 55 a palindrome? 55 is a palindrome number
Is 55 a triangle number? 55 is a triangle number

55 in other Bases

Base 2 (Binary) 1101112
Base 3 (Ternary) 20013
Base 4 (Quaternary) 3134
Base 5 (Quinary) 2105
Base 6 (Senary) 1316
Base 8 (Octal) 678
Base 12 (Duodecimal) 4712
Base 16 (Hexadecimal) 3716
Base 20 (Vigesimal) 2F20

Primes and Factors tests for 55

Is 55 a Prime Number? 55 is NOT a prime
Is 55 a perfect number? 55 is NOT a perfect number
Is 55 a Mersenne Prime? 55 is NOT a Mersenne prime
Is 55 a Fermat Prime? 55 is NOT a Fermat prime
Is 55 a Fibonacci Prime? 55 is NOT a Fibonacci prime
Is 55 a Partition Prime? 55 is NOT a Partition prime
Is 55 a Pell Prime? 55 is NOT a Pell prime
Prime Factors Prime factors of 55

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55 in other Numerals

55 in Roman Numeral LV
55 in Chinese Numeral 伍拾伍
55 in Egyptian Numeral 𓎊𓏾
55 in Babylonian Numeral 55  

Roots and stuff for 55

Is 55 a square number? 55 is NOT a square number
Is 55 a cube number? 55 is NOT a cube number
Square root of the number 55 7.4161984870957
Cube root of the number 55 3.8029524607614

Recreational math for 55

Number 55 reversed 55
Sum of the digits 10
No of digits 2