Names of 21994
| Nominal | 21994 |
| Cardinal | twenty-one thousand nine hundred ninety-four |
| Ordinal | 21,994th |
| This number as US currency | twenty-one thousand nine hundred ninety-four dollars |
| Is 21994 an odd number? | 21994 is NOT an odd number |
| Is 21994 an even number? | 21994 is an even number |
| Is 21994 a palindrome? | 21994 is NOT a palindrome number |
| Is 21994 a triangle number? | 21994 is NOT a triangle number |
21994 in other Bases
| Base 2 (Binary) | 1010101111010102 |
| Base 3 (Ternary) | 10100111213 |
| Base 4 (Quaternary) | 111132224 |
| Base 5 (Quinary) | 12004345 |
| Base 6 (Senary) | 2454546 |
| Base 8 (Octal) | 527528 |
| Base 12 (Duodecimal) | 1088A12 |
| Base 16 (Hexadecimal) | 55EA16 |
| Base 20 (Vigesimal) | 2EJE20 |
Primes and Factors tests for 21994
| Is 21994 a Prime Number? | 21994 is NOT a prime |
| Is 21994 a perfect number? | 21994 is NOT a perfect number |
| Is 21994 a Mersenne Prime? | 21994 is NOT a Mersenne prime |
| Is 21994 a Fermat Prime? | 21994 is NOT a Fermat prime |
| Is 21994 a Fibonacci Prime? | 21994 is NOT a Fibonacci prime |
| Is 21994 a Partition Prime? | 21994 is NOT a Partition prime |
| Is 21994 a Pell Prime? | 21994 is NOT a Pell prime |
| Prime Factors | Prime factors of 21994 |
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21994 in other Numerals
| 21994 in Roman Numeral | XXMCMXCIV |
| 21994 in Chinese Numeral | 貳萬壹仟玖佰玖拾肆 |
| 21994 in Egyptian Numeral | 𓂮𓆼𓍪𓎎𓏽 |
| 21994 in Babylonian Numeral |   |
Roots and stuff for 21994
| Is 21994 a square number? | 21994 is NOT a square number |
| Is 21994 a cube number? | 21994 is NOT a cube number |
| Square root of the number 21994 | 148.30374236681 |
| Cube root of the number 21994 | 28.017845766463 |
Recreational math for 21994
| Number 21994 reversed | 49912 |
| Sum of the digits | 25 |
| No of digits | 5 |