Names of 1669
| Nominal | 1669 |
| Cardinal | one thousand six hundred sixty-nine |
| Ordinal | 1,669th |
| This number as US currency | one thousand six hundred sixty-nine dollars |
| Is 1669 an odd number? | 1669 is an odd number |
| Is 1669 an even number? | 1669 is NOT an even number |
| Is 1669 a palindrome? | 1669 is NOT a palindrome number |
| Is 1669 a triangle number? | 1669 is NOT a triangle number |
1669 in other Bases
| Base 2 (Binary) | 110100001012 |
| Base 3 (Ternary) | 20212113 |
| Base 4 (Quaternary) | 1220114 |
| Base 5 (Quinary) | 231345 |
| Base 6 (Senary) | 114216 |
| Base 8 (Octal) | 32058 |
| Base 12 (Duodecimal) | B7112 |
| Base 16 (Hexadecimal) | 68516 |
| Base 20 (Vigesimal) | 43920 |
Primes and Factors tests for 1669
| Is 1669 a Prime Number? | 1669 is a prime |
| Is 1669 a perfect number? | 1669 is NOT a perfect number |
| Is 1669 a Mersenne Prime? | 1669 is NOT a Mersenne prime |
| Is 1669 a Fermat Prime? | 1669 is NOT a Fermat prime |
| Is 1669 a Fibonacci Prime? | 1669 is NOT a Fibonacci prime |
| Is 1669 a Partition Prime? | 1669 is NOT a Partition prime |
| Is 1669 a Pell Prime? | 1669 is NOT a Pell prime |
| Prime Factors | Prime factors of 1669 |
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1669 in other Numerals
| 1669 in Roman Numeral | MDCLXIX |
| 1669 in Chinese Numeral | 壹仟陸佰陸拾玖 |
| 1669 in Egyptian Numeral | 𓆼𓍧𓎋𓐂 |
| 1669 in Babylonian Numeral |   |
Roots and stuff for 1669
| Is 1669 a square number? | 1669 is NOT a square number |
| Is 1669 a cube number? | 1669 is NOT a cube number |
| Square root of the number 1669 | 40.853396431631 |
| Cube root of the number 1669 | 11.861841380073 |
Recreational math for 1669
| Number 1669 reversed | 9661 |
| Sum of the digits | 22 |
| No of digits | 4 |