Names of 21225
| Nominal | 21225 |
| Cardinal | twenty-one thousand two hundred twenty-five |
| Ordinal | 21,225th |
| This number as US currency | twenty-one thousand two hundred twenty-five dollars |
| Is 21225 an odd number? | 21225 is an odd number |
| Is 21225 an even number? | 21225 is NOT an even number |
| Is 21225 a palindrome? | 21225 is NOT a palindrome number |
| Is 21225 a triangle number? | 21225 is NOT a triangle number |
21225 in other Bases
| Base 2 (Binary) | 1010010111010012 |
| Base 3 (Ternary) | 10020100103 |
| Base 4 (Quaternary) | 110232214 |
| Base 5 (Quinary) | 11344005 |
| Base 6 (Senary) | 2421336 |
| Base 8 (Octal) | 513518 |
| Base 12 (Duodecimal) | 1034912 |
| Base 16 (Hexadecimal) | 52E916 |
| Base 20 (Vigesimal) | 2D1520 |
Primes and Factors tests for 21225
| Is 21225 a Prime Number? | 21225 is NOT a prime |
| Is 21225 a perfect number? | 21225 is NOT a perfect number |
| Is 21225 a Mersenne Prime? | 21225 is NOT a Mersenne prime |
| Is 21225 a Fermat Prime? | 21225 is NOT a Fermat prime |
| Is 21225 a Fibonacci Prime? | 21225 is NOT a Fibonacci prime |
| Is 21225 a Partition Prime? | 21225 is NOT a Partition prime |
| Is 21225 a Pell Prime? | 21225 is NOT a Pell prime |
| Prime Factors | Prime factors of 21225 |
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21225 in other Numerals
| 21225 in Roman Numeral | XXMCCXXV |
| 21225 in Chinese Numeral | 貳萬壹仟貳佰貳拾伍 |
| 21225 in Egyptian Numeral | 𓂮𓆼𓍣𓎇𓏾 |
| 21225 in Babylonian Numeral |    |
Roots and stuff for 21225
| Is 21225 a square number? | 21225 is NOT a square number |
| Is 21225 a cube number? | 21225 is NOT a cube number |
| Square root of the number 21225 | 145.68802284333 |
| Cube root of the number 21225 | 27.687424946336 |
Recreational math for 21225
| Number 21225 reversed | 52212 |
| Sum of the digits | 12 |
| No of digits | 5 |