Names of 1667
| Nominal | 1667 |
| Cardinal | one thousand six hundred sixty-seven |
| Ordinal | 1,667th |
| This number as US currency | one thousand six hundred sixty-seven dollars |
| Is 1667 an odd number? | 1667 is an odd number |
| Is 1667 an even number? | 1667 is NOT an even number |
| Is 1667 a palindrome? | 1667 is NOT a palindrome number |
| Is 1667 a triangle number? | 1667 is NOT a triangle number |
1667 in other Bases
| Base 2 (Binary) | 110100000112 |
| Base 3 (Ternary) | 20212023 |
| Base 4 (Quaternary) | 1220034 |
| Base 5 (Quinary) | 231325 |
| Base 6 (Senary) | 114156 |
| Base 8 (Octal) | 32038 |
| Base 12 (Duodecimal) | B6B12 |
| Base 16 (Hexadecimal) | 68316 |
| Base 20 (Vigesimal) | 43720 |
Primes and Factors tests for 1667
| Is 1667 a Prime Number? | 1667 is a prime |
| Is 1667 a perfect number? | 1667 is NOT a perfect number |
| Is 1667 a Mersenne Prime? | 1667 is NOT a Mersenne prime |
| Is 1667 a Fermat Prime? | 1667 is NOT a Fermat prime |
| Is 1667 a Fibonacci Prime? | 1667 is NOT a Fibonacci prime |
| Is 1667 a Partition Prime? | 1667 is NOT a Partition prime |
| Is 1667 a Pell Prime? | 1667 is NOT a Pell prime |
| Prime Factors | Prime factors of 1667 |
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1667 in other Numerals
| 1667 in Roman Numeral | MDCLXVII |
| 1667 in Chinese Numeral | 壹仟陸佰陸拾柒 |
| 1667 in Egyptian Numeral | 𓆼𓍧𓎋𓐀 |
| 1667 in Babylonian Numeral |   |
Roots and stuff for 1667
| Is 1667 a square number? | 1667 is NOT a square number |
| Is 1667 a cube number? | 1667 is NOT a cube number |
| Square root of the number 1667 | 40.828911325187 |
| Cube root of the number 1667 | 11.857101383012 |
Recreational math for 1667
| Number 1667 reversed | 7661 |
| Sum of the digits | 20 |
| No of digits | 4 |