21004
Everything about the number 21004 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
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Names of 21004
| Nominal | 21004 |
| Cardinal | twenty-one thousand four |
| Ordinal | 21,004th |
| This number as US currency | twenty-one thousand four dollars |
Properties (and some facts) of 21004
| Is 21004 an odd number? | 21004 is not an odd number |
| Is 21004 an even number? | 21004 is an even number |
| Is 21004 a palindrome? | 21004 is not a palindrome |
| Is 21004 a triangle number? | 21004 is not a triangle number |
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21004 in other bases
| Base 2 (Binary) | 101001000001100 |
| Base 3 (Ternary) | 1001210221 |
| Base 4 (Quaternary) | 11020030 |
| Base 5 (Quinary) | 1133004 |
| Base 6 (Senary) | 241124 |
| Base 8 (Octal) | 51014 |
| Base 12 (Duodecimal) | 101A4 |
| Base 16 (Hexadecimal) | 520C |
| Base 20 (Vigesimal) | 2CA4 |
Primes and factors tests for 21004
| Is 21004 a prime number? | 21004 is not a prime number |
| Is 21004 a perfect number? | 21004 is not a perfect number |
| Is 21004 a Mersenne prime? | 21004 is not a Mersenne prime |
| Is 21004 a Fermat prime? | 21004 is not a Fermat prime |
| Is 21004 a Fibonacci prime? | 21004 is not a Fibonacci prime |
| Is 21004 a partition prime? | 21004 is not a partition prime |
| Is 21004 a Pell prime? | 21004 is not a Pell prime |
| Prime Factors | Prime factors of 21004 |
21004 in other numeral systems
| 21004 in Roman numerals | XXMIV |
| 21004 in Chinese numerals | 貳萬壹仟肆 |
| 21004 in Babylonian numerals |    |
| 21004 in Egyptian numerals | 𓂮𓆼𓏽 |
Roots and squares for 21004
| Is 21004 a square number? | 21004 is not a square number |
| Is 21004 a cube number? | 21004 is not a cube number |
| Square root of 21004 | 144.92756811594 |
| Cube root of 21004 | 27.590993350494 |
Recreational math for 21004
| Number 21004 reversed | 40012 |
| Sum of the digits | 7 |
| Number of digits | 5 |
Other pages about 21004
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