Names of 21164
| Nominal | 21164 |
| Cardinal | twenty-one thousand one hundred sixty-four |
| Ordinal | 21,164th |
| This number as US currency | twenty-one thousand one hundred sixty-four dollars |
| Is 21164 an odd number? | 21164 is NOT an odd number |
| Is 21164 an even number? | 21164 is an even number |
| Is 21164 a palindrome? | 21164 is NOT a palindrome number |
| Is 21164 a triangle number? | 21164 is NOT a triangle number |
21164 in other Bases
| Base 2 (Binary) | 1010010101011002 |
| Base 3 (Ternary) | 10020002123 |
| Base 4 (Quaternary) | 110222304 |
| Base 5 (Quinary) | 11341245 |
| Base 6 (Senary) | 2415526 |
| Base 8 (Octal) | 512548 |
| Base 12 (Duodecimal) | 102B812 |
| Base 16 (Hexadecimal) | 52AC16 |
| Base 20 (Vigesimal) | 2CI420 |
Primes and Factors tests for 21164
| Is 21164 a Prime Number? | 21164 is NOT a prime |
| Is 21164 a perfect number? | 21164 is NOT a perfect number |
| Is 21164 a Mersenne Prime? | 21164 is NOT a Mersenne prime |
| Is 21164 a Fermat Prime? | 21164 is NOT a Fermat prime |
| Is 21164 a Fibonacci Prime? | 21164 is NOT a Fibonacci prime |
| Is 21164 a Partition Prime? | 21164 is NOT a Partition prime |
| Is 21164 a Pell Prime? | 21164 is NOT a Pell prime |
| Prime Factors | Prime factors of 21164 |
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21164 in other Numerals
| 21164 in Roman Numeral | XXMCLXIV |
| 21164 in Chinese Numeral | 貳萬壹仟壹佰陸拾肆 |
| 21164 in Egyptian Numeral | 𓂮𓆼𓍢𓎋𓏽 |
| 21164 in Babylonian Numeral |    |
Roots and stuff for 21164
| Is 21164 a square number? | 21164 is NOT a square number |
| Is 21164 a cube number? | 21164 is NOT a cube number |
| Square root of the number 21164 | 145.47852075135 |
| Cube root of the number 21164 | 27.660875225244 |
Recreational math for 21164
| Number 21164 reversed | 46112 |
| Sum of the digits | 14 |
| No of digits | 5 |