Names of 1655
| Nominal | 1655 |
| Cardinal | one thousand six hundred fifty-five |
| Ordinal | 1,655th |
| This number as US currency | one thousand six hundred fifty-five dollars |
| Is 1655 an odd number? | 1655 is an odd number |
| Is 1655 an even number? | 1655 is NOT an even number |
| Is 1655 a palindrome? | 1655 is NOT a palindrome number |
| Is 1655 a triangle number? | 1655 is NOT a triangle number |
1655 in other Bases
| Base 2 (Binary) | 110011101112 |
| Base 3 (Ternary) | 20210223 |
| Base 4 (Quaternary) | 1213134 |
| Base 5 (Quinary) | 231105 |
| Base 6 (Senary) | 113556 |
| Base 8 (Octal) | 31678 |
| Base 12 (Duodecimal) | B5B12 |
| Base 16 (Hexadecimal) | 67716 |
| Base 20 (Vigesimal) | 42F20 |
Primes and Factors tests for 1655
| Is 1655 a Prime Number? | 1655 is NOT a prime |
| Is 1655 a perfect number? | 1655 is NOT a perfect number |
| Is 1655 a Mersenne Prime? | 1655 is NOT a Mersenne prime |
| Is 1655 a Fermat Prime? | 1655 is NOT a Fermat prime |
| Is 1655 a Fibonacci Prime? | 1655 is NOT a Fibonacci prime |
| Is 1655 a Partition Prime? | 1655 is NOT a Partition prime |
| Is 1655 a Pell Prime? | 1655 is NOT a Pell prime |
| Prime Factors | Prime factors of 1655 |
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1655 in other Numerals
| 1655 in Roman Numeral | MDCLV |
| 1655 in Chinese Numeral | 壹仟陸佰伍拾伍 |
| 1655 in Egyptian Numeral | 𓆼𓍧𓎊𓏾 |
| 1655 in Babylonian Numeral |   |
Roots and stuff for 1655
| Is 1655 a square number? | 1655 is NOT a square number |
| Is 1655 a cube number? | 1655 is NOT a cube number |
| Square root of the number 1655 | 40.681691213616 |
| Cube root of the number 1655 | 11.828581486029 |
Recreational math for 1655
| Number 1655 reversed | 5561 |
| Sum of the digits | 17 |
| No of digits | 4 |