89
Everything about the number 89 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
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Names of 89
| Nominal | 89 |
| Cardinal | eighty-nine |
| Ordinal | 89th |
| This number as US currency | eighty-nine dollars |
Properties (and some facts) of 89
| Is 89 an odd number? | 89 is an odd number |
| Is 89 an even number? | 89 is not an even number |
| Is 89 a palindrome? | 89 is not a palindrome |
| Is 89 a triangle number? | 89 is not a triangle number |
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89 in other bases
| Base 2 (Binary) | 1011001 |
| Base 3 (Ternary) | 10022 |
| Base 4 (Quaternary) | 1121 |
| Base 5 (Quinary) | 324 |
| Base 6 (Senary) | 225 |
| Base 8 (Octal) | 131 |
| Base 12 (Duodecimal) | 75 |
| Base 16 (Hexadecimal) | 59 |
| Base 20 (Vigesimal) | 49 |
Primes and factors tests for 89
| Is 89 a prime number? | 89 is a prime number |
| Is 89 a perfect number? | 89 is not a perfect number |
| Is 89 a Mersenne prime? | 89 is not a Mersenne prime |
| Is 89 a Fermat prime? | 89 is not a Fermat prime |
| Is 89 a Fibonacci prime? | 89 is a Fibonacci prime |
| Is 89 a partition prime? | 89 is not a partition prime |
| Is 89 a Pell prime? | 89 is not a Pell prime |
| Prime Factors | Prime factors of 89 |
89 in other numeral systems
| 89 in Roman numerals | LXXXIX |
| 89 in Chinese numerals | 捌拾玖 |
| 89 in Babylonian numerals |   |
| 89 in Egyptian numerals | 𓎍𓐂 |
Roots and squares for 89
| Is 89 a square number? | 89 is not a square number |
| Is 89 a cube number? | 89 is not a cube number |
| Square root of 89 | 9.4339811320566 |
| Cube root of 89 | 4.4647450955845 |
Recreational math for 89
| Number 89 reversed | 98 |
| Sum of the digits | 17 |
| Number of digits | 2 |
Arithmetic tables for 89
Other pages about 89
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