Names of 280
| Nominal | 280 |
| Cardinal | two hundred eighty |
| Ordinal | 280th |
| This number as US currency | two hundred eighty dollars |
| Is 280 an odd number? | 280 is NOT an odd number |
| Is 280 an even number? | 280 is an even number |
| Is 280 a palindrome? | 280 is NOT a palindrome number |
| Is 280 a triangle number? | 280 is NOT a triangle number |
280 in other Bases
| Base 2 (Binary) | 1000110002 |
| Base 3 (Ternary) | 1011013 |
| Base 4 (Quaternary) | 101204 |
| Base 5 (Quinary) | 21105 |
| Base 6 (Senary) | 11446 |
| Base 8 (Octal) | 4308 |
| Base 12 (Duodecimal) | 1B412 |
| Base 16 (Hexadecimal) | 11816 |
| Base 20 (Vigesimal) | E020 |
Primes and Factors tests for 280
| Is 280 a Prime Number? | 280 is NOT a prime |
| Is 280 a perfect number? | 280 is NOT a perfect number |
| Is 280 a Mersenne Prime? | 280 is NOT a Mersenne prime |
| Is 280 a Fermat Prime? | 280 is NOT a Fermat prime |
| Is 280 a Fibonacci Prime? | 280 is NOT a Fibonacci prime |
| Is 280 a Partition Prime? | 280 is NOT a Partition prime |
| Is 280 a Pell Prime? | 280 is NOT a Pell prime |
| Prime Factors | Prime factors of 280 |
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280 in other Numerals
| 280 in Roman Numeral | CCLXXX |
| 280 in Chinese Numeral | 貳佰捌拾 |
| 280 in Egyptian Numeral | 𓍣𓎍 |
| 280 in Babylonian Numeral |   |
Roots and stuff for 280
| Is 280 a square number? | 280 is NOT a square number |
| Is 280 a cube number? | 280 is NOT a cube number |
| Square root of the number 280 | 16.733200530682 |
| Cube root of the number 280 | 6.5421326203772 |
Recreational math for 280
| Number 280 reversed | 082 |
| Sum of the digits | 10 |
| No of digits | 3 |