Names of 2004
| Nominal | 2004 |
| Cardinal | two thousand four |
| Ordinal | 2,004th |
| This number as US currency | two thousand four dollars |
| Is 2004 an odd number? | 2004 is NOT an odd number |
| Is 2004 an even number? | 2004 is an even number |
| Is 2004 a palindrome? | 2004 is NOT a palindrome number |
| Is 2004 a triangle number? | 2004 is NOT a triangle number |
2004 in other Bases
| Base 2 (Binary) | 111110101002 |
| Base 3 (Ternary) | 22020203 |
| Base 4 (Quaternary) | 1331104 |
| Base 5 (Quinary) | 310045 |
| Base 6 (Senary) | 131406 |
| Base 8 (Octal) | 37248 |
| Base 12 (Duodecimal) | 11B012 |
| Base 16 (Hexadecimal) | 7D416 |
| Base 20 (Vigesimal) | 50420 |
Primes and Factors tests for 2004
| Is 2004 a Prime Number? | 2004 is NOT a prime |
| Is 2004 a perfect number? | 2004 is NOT a perfect number |
| Is 2004 a Mersenne Prime? | 2004 is NOT a Mersenne prime |
| Is 2004 a Fermat Prime? | 2004 is NOT a Fermat prime |
| Is 2004 a Fibonacci Prime? | 2004 is NOT a Fibonacci prime |
| Is 2004 a Partition Prime? | 2004 is NOT a Partition prime |
| Is 2004 a Pell Prime? | 2004 is NOT a Pell prime |
| Prime Factors | Prime factors of 2004 |
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2004 in other Numerals
| 2004 in Roman Numeral | MMIV |
| 2004 in Chinese Numeral | 貳仟肆 |
| 2004 in Egyptian Numeral | 𓆽𓏽 |
| 2004 in Babylonian Numeral |   |
Roots and stuff for 2004
| Is 2004 a square number? | 2004 is NOT a square number |
| Is 2004 a cube number? | 2004 is NOT a cube number |
| Square root of the number 2004 | 44.766058571199 |
| Cube root of the number 2004 | 12.607604379179 |
Recreational math for 2004
| Number 2004 reversed | 4002 |
| Sum of the digits | 6 |
| No of digits | 4 |