201
Everything about the number 201 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
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Names of 201
| Nominal | 201 |
| Cardinal | two hundred one |
| Ordinal | 201st |
| This number as US currency | two hundred one dollars |
Properties (and some facts) of 201
| Is 201 an odd number? | 201 is an odd number |
| Is 201 an even number? | 201 is not an even number |
| Is 201 a palindrome? | 201 is not a palindrome |
| Is 201 a triangle number? | 201 is not a triangle number |
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201 in other bases
| Base 2 (Binary) | 11001001 |
| Base 3 (Ternary) | 21110 |
| Base 4 (Quaternary) | 3021 |
| Base 5 (Quinary) | 1301 |
| Base 6 (Senary) | 533 |
| Base 8 (Octal) | 311 |
| Base 12 (Duodecimal) | 149 |
| Base 16 (Hexadecimal) | C9 |
| Base 20 (Vigesimal) | A1 |
Primes and factors tests for 201
| Is 201 a prime number? | 201 is not a prime number |
| Is 201 a perfect number? | 201 is not a perfect number |
| Is 201 a Mersenne prime? | 201 is not a Mersenne prime |
| Is 201 a Fermat prime? | 201 is not a Fermat prime |
| Is 201 a Fibonacci prime? | 201 is not a Fibonacci prime |
| Is 201 a partition prime? | 201 is not a partition prime |
| Is 201 a Pell prime? | 201 is not a Pell prime |
| Prime Factors | Prime factors of 201 |
201 in other numeral systems
| 201 in Roman numerals | CCI |
| 201 in Chinese numerals | 貳佰壹 |
| 201 in Babylonian numerals |   |
| 201 in Egyptian numerals | 𓍣𓏺 |
Roots and squares for 201
| Is 201 a square number? | 201 is not a square number |
| Is 201 a cube number? | 201 is not a cube number |
| Square root of 201 | 14.177446878758 |
| Cube root of 201 | 5.8577660026507 |
Recreational math for 201
| Number 201 reversed | 102 |
| Sum of the digits | 3 |
| Number of digits | 3 |
Arithmetic tables for 201
Other pages about 201
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