169
Everything about the number 169 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
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Names of 169
| Nominal | 169 |
| Cardinal | one hundred sixty-nine |
| Ordinal | 169th |
| This number as US currency | one hundred sixty-nine dollars |
Properties (and some facts) of 169
| Is 169 an odd number? | 169 is an odd number |
| Is 169 an even number? | 169 is not an even number |
| Is 169 a palindrome? | 169 is not a palindrome |
| Is 169 a triangle number? | 169 is not a triangle number |
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169 in other bases
| Base 2 (Binary) | 10101001 |
| Base 3 (Ternary) | 20021 |
| Base 4 (Quaternary) | 2221 |
| Base 5 (Quinary) | 1134 |
| Base 6 (Senary) | 441 |
| Base 8 (Octal) | 251 |
| Base 12 (Duodecimal) | 121 |
| Base 16 (Hexadecimal) | A9 |
| Base 20 (Vigesimal) | 89 |
Primes and factors tests for 169
| Is 169 a prime number? | 169 is not a prime number |
| Is 169 a perfect number? | 169 is not a perfect number |
| Is 169 a Mersenne prime? | 169 is not a Mersenne prime |
| Is 169 a Fermat prime? | 169 is not a Fermat prime |
| Is 169 a Fibonacci prime? | 169 is not a Fibonacci prime |
| Is 169 a partition prime? | 169 is not a partition prime |
| Is 169 a Pell prime? | 169 is not a Pell prime |
| Prime Factors | Prime factors of 169 |
169 in other numeral systems
| 169 in Roman numerals | CLXIX |
| 169 in Chinese numerals | 壹佰陸拾玖 |
| 169 in Babylonian numerals |   |
| 169 in Egyptian numerals | 𓍢𓎋𓐂 |
Roots and squares for 169
| Is 169 a square number? | 169 is a square number |
| Is 169 a cube number? | 169 is not a cube number |
| Square root of 169 | 13 |
| Cube root of 169 | 5.5287748136789 |
Recreational math for 169
| Number 169 reversed | 961 |
| Sum of the digits | 16 |
| Number of digits | 3 |
Arithmetic tables for 169
Other pages about 169
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