Number 2181

Names of 2181

Nominal 2181
Cardinal two thousand one hundred eighty-one
Ordinal 2,181st
This number as US currency two thousand one hundred eighty-one dollars

Properties (and some facts) of 2181

Is 2181 an odd number? 2181 is an odd number
Is 2181 an even number? 2181 is NOT an even number
Is 2181 a palindrome? 2181 is NOT a palindrome number
Is 2181 a triangle number? 2181 is NOT a triangle number

2181 in other Bases

Base 2 (Binary) 1000100001012
Base 3 (Ternary) 22222103
Base 4 (Quaternary) 2020114
Base 5 (Quinary) 322115
Base 6 (Senary) 140336
Base 8 (Octal) 42058
Base 12 (Duodecimal) 131912
Base 16 (Hexadecimal) 88516
Base 20 (Vigesimal) 59120

Primes and Factors tests for 2181

Is 2181 a Prime Number? 2181 is NOT a prime
Is 2181 a perfect number? 2181 is NOT a perfect number
Is 2181 a Mersenne Prime? 2181 is NOT a Mersenne prime
Is 2181 a Fermat Prime? 2181 is NOT a Fermat prime
Is 2181 a Fibonacci Prime? 2181 is NOT a Fibonacci prime
Is 2181 a Partition Prime? 2181 is NOT a Partition prime
Is 2181 a Pell Prime? 2181 is NOT a Pell prime
Prime Factors Prime factors of 2181

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2181 in other Numerals

2181 in Roman Numeral MMCLXXXI
2181 in Chinese Numeral 貳仟壹佰捌拾壹
2181 in Egyptian Numeral 𓆽𓍢𓎍𓏺
2181 in Babylonian Numeral 36   21  

Roots and stuff for 2181

Is 2181 a square number? 2181 is NOT a square number
Is 2181 a cube number? 2181 is NOT a cube number
Square root of the number 2181 46.701177715342
Cube root of the number 2181 12.968364893969

Recreational math for 2181

Number 2181 reversed 1812
Sum of the digits 12
No of digits 4