Names of 1803
| Nominal | 1803 |
| Cardinal | one thousand eight hundred three |
| Ordinal | 1,803rd |
| This number as US currency | one thousand eight hundred three dollars |
| Is 1803 an odd number? | 1803 is an odd number |
| Is 1803 an even number? | 1803 is NOT an even number |
| Is 1803 a palindrome? | 1803 is NOT a palindrome number |
| Is 1803 a triangle number? | 1803 is NOT a triangle number |
1803 in other Bases
| Base 2 (Binary) | 111000010112 |
| Base 3 (Ternary) | 21102103 |
| Base 4 (Quaternary) | 1300234 |
| Base 5 (Quinary) | 242035 |
| Base 6 (Senary) | 122036 |
| Base 8 (Octal) | 34138 |
| Base 12 (Duodecimal) | 106312 |
| Base 16 (Hexadecimal) | 70B16 |
| Base 20 (Vigesimal) | 4A320 |
Primes and Factors tests for 1803
| Is 1803 a Prime Number? | 1803 is NOT a prime |
| Is 1803 a perfect number? | 1803 is NOT a perfect number |
| Is 1803 a Mersenne Prime? | 1803 is NOT a Mersenne prime |
| Is 1803 a Fermat Prime? | 1803 is NOT a Fermat prime |
| Is 1803 a Fibonacci Prime? | 1803 is NOT a Fibonacci prime |
| Is 1803 a Partition Prime? | 1803 is NOT a Partition prime |
| Is 1803 a Pell Prime? | 1803 is NOT a Pell prime |
| Prime Factors | Prime factors of 1803 |
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1803 in other Numerals
| 1803 in Roman Numeral | MDCCCIII |
| 1803 in Chinese Numeral | 壹仟捌佰叄 |
| 1803 in Egyptian Numeral | 𓆼𓍩𓏼 |
| 1803 in Babylonian Numeral |   |
Roots and stuff for 1803
| Is 1803 a square number? | 1803 is NOT a square number |
| Is 1803 a cube number? | 1803 is NOT a cube number |
| Square root of the number 1803 | 42.461747491124 |
| Cube root of the number 1803 | 12.171158242391 |
Recreational math for 1803
| Number 1803 reversed | 3081 |
| Sum of the digits | 12 |
| No of digits | 4 |