Number 51

Names of 51

Nominal 51
Cardinal fifty-one
Ordinal 51st
This number as US currency fifty-one dollars

Properties (and some facts) of 51

Is 51 an odd number? 51 is an odd number
Is 51 an even number? 51 is NOT an even number
Is 51 a palindrome? 51 is NOT a palindrome number
Is 51 a triangle number? 51 is NOT a triangle number

51 in other Bases

Base 2 (Binary) 1100112
Base 3 (Ternary) 12203
Base 4 (Quaternary) 3034
Base 5 (Quinary) 2015
Base 6 (Senary) 1236
Base 8 (Octal) 638
Base 12 (Duodecimal) 4312
Base 16 (Hexadecimal) 3316
Base 20 (Vigesimal) 2B20

Primes and Factors tests for 51

Is 51 a Prime Number? 51 is NOT a prime
Is 51 a perfect number? 51 is NOT a perfect number
Is 51 a Mersenne Prime? 51 is NOT a Mersenne prime
Is 51 a Fermat Prime? 51 is NOT a Fermat prime
Is 51 a Fibonacci Prime? 51 is NOT a Fibonacci prime
Is 51 a Partition Prime? 51 is NOT a Partition prime
Is 51 a Pell Prime? 51 is NOT a Pell prime
Prime Factors Prime factors of 51

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51 in other Numerals

51 in Roman Numeral LI
51 in Chinese Numeral 伍拾壹
51 in Egyptian Numeral 𓎊𓏺
51 in Babylonian Numeral 51  

Roots and stuff for 51

Is 51 a square number? 51 is NOT a square number
Is 51 a cube number? 51 is NOT a cube number
Square root of the number 51 7.1414284285429
Cube root of the number 51 3.7084297692662

Recreational math for 51

Number 51 reversed 15
Sum of the digits 6
No of digits 2