Names of 1800
| Nominal | 1800 |
| Cardinal | one thousand eight hundred |
| Ordinal | 1,800th |
| This number as US currency | one thousand eight hundred dollars |
| Is 1800 an odd number? | 1800 is NOT an odd number |
| Is 1800 an even number? | 1800 is an even number |
| Is 1800 a palindrome? | 1800 is NOT a palindrome number |
| Is 1800 a triangle number? | 1800 is NOT a triangle number |
1800 in other Bases
| Base 2 (Binary) | 111000010002 |
| Base 3 (Ternary) | 21102003 |
| Base 4 (Quaternary) | 1300204 |
| Base 5 (Quinary) | 242005 |
| Base 6 (Senary) | 122006 |
| Base 8 (Octal) | 34108 |
| Base 12 (Duodecimal) | 106012 |
| Base 16 (Hexadecimal) | 70816 |
| Base 20 (Vigesimal) | 4A020 |
Primes and Factors tests for 1800
| Is 1800 a Prime Number? | 1800 is NOT a prime |
| Is 1800 a perfect number? | 1800 is NOT a perfect number |
| Is 1800 a Mersenne Prime? | 1800 is NOT a Mersenne prime |
| Is 1800 a Fermat Prime? | 1800 is NOT a Fermat prime |
| Is 1800 a Fibonacci Prime? | 1800 is NOT a Fibonacci prime |
| Is 1800 a Partition Prime? | 1800 is NOT a Partition prime |
| Is 1800 a Pell Prime? | 1800 is NOT a Pell prime |
| Prime Factors | Prime factors of 1800 |
Sponsored
1800 in other Numerals
| 1800 in Roman Numeral | MDCCC |
| 1800 in Chinese Numeral | 壹仟捌佰 |
| 1800 in Egyptian Numeral | 𓆼𓍩 |
| 1800 in Babylonian Numeral |  |
Roots and stuff for 1800
| Is 1800 a square number? | 1800 is NOT a square number |
| Is 1800 a cube number? | 1800 is NOT a cube number |
| Square root of the number 1800 | 42.426406871193 |
| Cube root of the number 1800 | 12.164403991147 |
Recreational math for 1800
| Number 1800 reversed | 0081 |
| Sum of the digits | 9 |
| No of digits | 4 |