Names of 21949
| Nominal | 21949 |
| Cardinal | twenty-one thousand nine hundred forty-nine |
| Ordinal | 21,949th |
| This number as US currency | twenty-one thousand nine hundred forty-nine dollars |
| Is 21949 an odd number? | 21949 is an odd number |
| Is 21949 an even number? | 21949 is NOT an even number |
| Is 21949 a palindrome? | 21949 is NOT a palindrome number |
| Is 21949 a triangle number? | 21949 is NOT a triangle number |
21949 in other Bases
| Base 2 (Binary) | 1010101101111012 |
| Base 3 (Ternary) | 10100022213 |
| Base 4 (Quaternary) | 111123314 |
| Base 5 (Quinary) | 12002445 |
| Base 6 (Senary) | 2453416 |
| Base 8 (Octal) | 526758 |
| Base 12 (Duodecimal) | 1085112 |
| Base 16 (Hexadecimal) | 55BD16 |
| Base 20 (Vigesimal) | 2EH920 |
Primes and Factors tests for 21949
| Is 21949 a Prime Number? | 21949 is NOT a prime |
| Is 21949 a perfect number? | 21949 is NOT a perfect number |
| Is 21949 a Mersenne Prime? | 21949 is NOT a Mersenne prime |
| Is 21949 a Fermat Prime? | 21949 is NOT a Fermat prime |
| Is 21949 a Fibonacci Prime? | 21949 is NOT a Fibonacci prime |
| Is 21949 a Partition Prime? | 21949 is NOT a Partition prime |
| Is 21949 a Pell Prime? | 21949 is NOT a Pell prime |
| Prime Factors | Prime factors of 21949 |
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21949 in other Numerals
| 21949 in Roman Numeral | XXMCMXLIX |
| 21949 in Chinese Numeral | 貳萬壹仟玖佰肆拾玖 |
| 21949 in Egyptian Numeral | 𓂮𓆼𓍪𓎉𓐂 |
| 21949 in Babylonian Numeral |    |
Roots and stuff for 21949
| Is 21949 a square number? | 21949 is NOT a square number |
| Is 21949 a cube number? | 21949 is NOT a cube number |
| Square root of the number 21949 | 148.15194902532 |
| Cube root of the number 21949 | 27.998724431687 |
Recreational math for 21949
| Number 21949 reversed | 94912 |
| Sum of the digits | 25 |
| No of digits | 5 |