213
Everything about the number 213 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
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Names of 213
| Nominal | 213 |
| Cardinal | two hundred thirteen |
| Ordinal | 213th |
| This number as US currency | two hundred thirteen dollars |
Properties (and some facts) of 213
| Is 213 an odd number? | 213 is an odd number |
| Is 213 an even number? | 213 is not an even number |
| Is 213 a palindrome? | 213 is not a palindrome |
| Is 213 a triangle number? | 213 is not a triangle number |
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213 in other bases
| Base 2 (Binary) | 11010101 |
| Base 3 (Ternary) | 21220 |
| Base 4 (Quaternary) | 3111 |
| Base 5 (Quinary) | 1323 |
| Base 6 (Senary) | 553 |
| Base 8 (Octal) | 325 |
| Base 12 (Duodecimal) | 159 |
| Base 16 (Hexadecimal) | D5 |
| Base 20 (Vigesimal) | AD |
Primes and factors tests for 213
| Is 213 a prime number? | 213 is not a prime number |
| Is 213 a perfect number? | 213 is not a perfect number |
| Is 213 a Mersenne prime? | 213 is not a Mersenne prime |
| Is 213 a Fermat prime? | 213 is not a Fermat prime |
| Is 213 a Fibonacci prime? | 213 is not a Fibonacci prime |
| Is 213 a partition prime? | 213 is not a partition prime |
| Is 213 a Pell prime? | 213 is not a Pell prime |
| Prime Factors | Prime factors of 213 |
213 in other numeral systems
| 213 in Roman numerals | CCXIII |
| 213 in Chinese numerals | 貳佰壹拾叄 |
| 213 in Babylonian numerals |   |
| 213 in Egyptian numerals | 𓍣𓎆𓏼 |
Roots and squares for 213
| Is 213 a square number? | 213 is not a square number |
| Is 213 a cube number? | 213 is not a cube number |
| Square root of 213 | 14.594519519326 |
| Cube root of 213 | 5.9720926198264 |
Recreational math for 213
| Number 213 reversed | 312 |
| Sum of the digits | 6 |
| Number of digits | 3 |
Arithmetic tables for 213
Other pages about 213
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