222121
Everything about the number 222121 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
Names of 222121
| Nominal | 222121 |
| Cardinal | two hundred twenty-two thousand one hundred twenty-one |
| Ordinal | 222,121st |
| This number as US currency | two hundred twenty-two thousand one hundred twenty-one dollars |
Properties (and some facts) of 222121
| Is 222121 an odd number? | 222121 is an odd number |
| Is 222121 an even number? | 222121 is not an even number |
| Is 222121 a palindrome? | 222121 is not a palindrome |
| Is 222121 a triangle number? | 222121 is not a triangle number |
222121 in other bases
| Base 2 (Binary) | 110110001110101001 |
| Base 3 (Ternary) | 102021200201 |
| Base 4 (Quaternary) | 312032221 |
| Base 5 (Quinary) | 24101441 |
| Base 6 (Senary) | 4432201 |
| Base 8 (Octal) | 661651 |
| Base 12 (Duodecimal) | A8661 |
| Base 16 (Hexadecimal) | 363A9 |
| Base 20 (Vigesimal) | 17F61 |
Primes and factors tests for 222121
| Is 222121 a prime number? | 222121 is not a prime number |
| Is 222121 a perfect number? | 222121 is not a perfect number |
| Is 222121 a Mersenne prime? | 222121 is not a Mersenne prime |
| Is 222121 a Fermat prime? | 222121 is not a Fermat prime |
| Is 222121 a Fibonacci prime? | 222121 is not a Fibonacci prime |
| Is 222121 a partition prime? | 222121 is not a partition prime |
| Is 222121 a Pell prime? | 222121 is not a Pell prime |
| Prime Factors | Prime factors of 222121 |
222121 in other numeral systems
| 222121 in Roman numerals | CCXXMMCXXI |
| 222121 in Chinese numerals | 貳拾萬貳萬貳仟壹佰貳拾壹 |
| 222121 in Babylonian numerals |   |
| 222121 in Egyptian numerals | 𓆐𓆐𓂮𓆽𓍢𓎇𓏺 |
Roots and squares for 222121
| Is 222121 a square number? | 222121 is not a square number |
| Is 222121 a cube number? | 222121 is not a cube number |
| Square root of 222121 | 471.29714618275 |
| Cube root of 222121 | 60.561488381804 |
Recreational math for 222121
| Number 222121 reversed | 121222 |
| Sum of the digits | 10 |
| Number of digits | 6 |