Number 40

Names of 40

Nominal 40
Cardinal forty
Ordinal 40th
This number as US currency forty dollars

Properties (and some facts) of 40

Is 40 an odd number? 40 is NOT an odd number
Is 40 an even number? 40 is an even number
Is 40 a palindrome? 40 is NOT a palindrome number
Is 40 a triangle number? 40 is NOT a triangle number

40 in other Bases

Base 2 (Binary) 1010002
Base 3 (Ternary) 11113
Base 4 (Quaternary) 2204
Base 5 (Quinary) 1305
Base 6 (Senary) 1046
Base 8 (Octal) 508
Base 12 (Duodecimal) 3412
Base 16 (Hexadecimal) 2816
Base 20 (Vigesimal) 2020

Primes and Factors tests for 40

Is 40 a Prime Number? 40 is NOT a prime
Is 40 a perfect number? 40 is NOT a perfect number
Is 40 a Mersenne Prime? 40 is NOT a Mersenne prime
Is 40 a Fermat Prime? 40 is NOT a Fermat prime
Is 40 a Fibonacci Prime? 40 is NOT a Fibonacci prime
Is 40 a Partition Prime? 40 is NOT a Partition prime
Is 40 a Pell Prime? 40 is NOT a Pell prime
Prime Factors Prime factors of 40

Sponsored

40 in other Numerals

40 in Roman Numeral XL
40 in Chinese Numeral 肆拾
40 in Egyptian Numeral 𓎉
40 in Babylonian Numeral 40  

Roots and stuff for 40

Is 40 a square number? 40 is NOT a square number
Is 40 a cube number? 40 is NOT a cube number
Square root of the number 40 6.3245553203368
Cube root of the number 40 3.4199518933534

Recreational math for 40

Number 40 reversed 04
Sum of the digits 4
No of digits 2