Number 221985

Names of 221985

Nominal 221985
Cardinal two hundred twenty-one thousand nine hundred eighty-five
Ordinal 221,985th
This number as US currency two hundred twenty-one thousand nine hundred eighty-five dollars

Properties (and some facts) of 221985

Is 221985 an odd number? 221985 is an odd number
Is 221985 an even number? 221985 is NOT an even number
Is 221985 a palindrome? 221985 is NOT a palindrome number
Is 221985 a triangle number? 221985 is NOT a triangle number

221985 in other Bases

Base 2 (Binary) 1101100011001000012
Base 3 (Ternary) 1020211112003
Base 4 (Quaternary) 3120302014
Base 5 (Quinary) 241004205
Base 6 (Senary) 44314136
Base 8 (Octal) 6614418
Base 12 (Duodecimal) A856912
Base 16 (Hexadecimal) 3632116
Base 20 (Vigesimal) 17EJ520

Primes and Factors tests for 221985

Is 221985 a Prime Number? 221985 is NOT a prime
Is 221985 a perfect number? 221985 is NOT a perfect number
Is 221985 a Mersenne Prime? 221985 is NOT a Mersenne prime
Is 221985 a Fermat Prime? 221985 is NOT a Fermat prime
Is 221985 a Fibonacci Prime? 221985 is NOT a Fibonacci prime
Is 221985 a Partition Prime? 221985 is NOT a Partition prime
Is 221985 a Pell Prime? 221985 is NOT a Pell prime
Prime Factors Prime factors of 221985

Sponsored

221985 in other Numerals

221985 in Roman Numeral CCXXMCMLXXXV
221985 in Chinese Numeral 貳拾萬貳萬壹仟玖佰捌拾伍
221985 in Egyptian Numeral 𓆐𓆐𓂮𓆼𓍪𓎍𓏾
221985 in Babylonian Numeral 1   1   39   45  

Roots and stuff for 221985

Is 221985 a square number? 221985 is NOT a square number
Is 221985 a cube number? 221985 is NOT a cube number
Square root of the number 221985 471.1528414432
Cube root of the number 221985 60.549125684632

Recreational math for 221985

Number 221985 reversed 589122
Sum of the digits 27
No of digits 6

Other pages about 221985