189
Everything about the number 189 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
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Names of 189
| Nominal | 189 |
| Cardinal | one hundred eighty-nine |
| Ordinal | 189th |
| This number as US currency | one hundred eighty-nine dollars |
Properties (and some facts) of 189
| Is 189 an odd number? | 189 is an odd number |
| Is 189 an even number? | 189 is not an even number |
| Is 189 a palindrome? | 189 is not a palindrome |
| Is 189 a triangle number? | 189 is not a triangle number |
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189 in other bases
| Base 2 (Binary) | 10111101 |
| Base 3 (Ternary) | 21000 |
| Base 4 (Quaternary) | 2331 |
| Base 5 (Quinary) | 1224 |
| Base 6 (Senary) | 513 |
| Base 8 (Octal) | 275 |
| Base 12 (Duodecimal) | 139 |
| Base 16 (Hexadecimal) | BD |
| Base 20 (Vigesimal) | 99 |
Primes and factors tests for 189
| Is 189 a prime number? | 189 is not a prime number |
| Is 189 a perfect number? | 189 is not a perfect number |
| Is 189 a Mersenne prime? | 189 is not a Mersenne prime |
| Is 189 a Fermat prime? | 189 is not a Fermat prime |
| Is 189 a Fibonacci prime? | 189 is not a Fibonacci prime |
| Is 189 a partition prime? | 189 is not a partition prime |
| Is 189 a Pell prime? | 189 is not a Pell prime |
| Prime Factors | Prime factors of 189 |
189 in other numeral systems
| 189 in Roman numerals | CLXXXIX |
| 189 in Chinese numerals | 壹佰捌拾玖 |
| 189 in Babylonian numerals |   |
| 189 in Egyptian numerals | 𓍢𓎍𓐂 |
Roots and squares for 189
| Is 189 a square number? | 189 is not a square number |
| Is 189 a cube number? | 189 is not a cube number |
| Square root of 189 | 13.747727084868 |
| Cube root of 189 | 5.7387935483172 |
Recreational math for 189
| Number 189 reversed | 981 |
| Sum of the digits | 18 |
| Number of digits | 3 |
Arithmetic tables for 189
Other pages about 189
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