Names of 2003
| Nominal | 2003 |
| Cardinal | two thousand three |
| Ordinal | 2,003rd |
| This number as US currency | two thousand three dollars |
| Is 2003 an odd number? | 2003 is an odd number |
| Is 2003 an even number? | 2003 is NOT an even number |
| Is 2003 a palindrome? | 2003 is NOT a palindrome number |
| Is 2003 a triangle number? | 2003 is NOT a triangle number |
2003 in other Bases
| Base 2 (Binary) | 111110100112 |
| Base 3 (Ternary) | 22020123 |
| Base 4 (Quaternary) | 1331034 |
| Base 5 (Quinary) | 310035 |
| Base 6 (Senary) | 131356 |
| Base 8 (Octal) | 37238 |
| Base 12 (Duodecimal) | 11AB12 |
| Base 16 (Hexadecimal) | 7D316 |
| Base 20 (Vigesimal) | 50320 |
Primes and Factors tests for 2003
| Is 2003 a Prime Number? | 2003 is a prime |
| Is 2003 a perfect number? | 2003 is NOT a perfect number |
| Is 2003 a Mersenne Prime? | 2003 is NOT a Mersenne prime |
| Is 2003 a Fermat Prime? | 2003 is NOT a Fermat prime |
| Is 2003 a Fibonacci Prime? | 2003 is NOT a Fibonacci prime |
| Is 2003 a Partition Prime? | 2003 is NOT a Partition prime |
| Is 2003 a Pell Prime? | 2003 is NOT a Pell prime |
| Prime Factors | Prime factors of 2003 |
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2003 in other Numerals
| 2003 in Roman Numeral | MMIII |
| 2003 in Chinese Numeral | 貳仟叄 |
| 2003 in Egyptian Numeral | 𓆽𓏼 |
| 2003 in Babylonian Numeral |   |
Roots and stuff for 2003
| Is 2003 a square number? | 2003 is NOT a square number |
| Is 2003 a cube number? | 2003 is NOT a cube number |
| Square root of the number 2003 | 44.7548880012 |
| Cube root of the number 2003 | 12.605506957018 |
Recreational math for 2003
| Number 2003 reversed | 3002 |
| Sum of the digits | 5 |
| No of digits | 4 |