Names of 121728
| Nominal | 121728 |
| Cardinal | one hundred twenty-one thousand seven hundred twenty-eight |
| Ordinal | 121,728th |
| This number as US currency | one hundred twenty-one thousand seven hundred twenty-eight dollars |
| Is 121728 an odd number? | 121728 is NOT an odd number |
| Is 121728 an even number? | 121728 is an even number |
| Is 121728 a palindrome? | 121728 is NOT a palindrome number |
| Is 121728 a triangle number? | 121728 is NOT a triangle number |
121728 in other Bases
| Base 2 (Binary) | 111011011100000002 |
| Base 3 (Ternary) | 200112221103 |
| Base 4 (Quaternary) | 1312320004 |
| Base 5 (Quinary) | 123434035 |
| Base 6 (Senary) | 23353206 |
| Base 8 (Octal) | 3556008 |
| Base 12 (Duodecimal) | 5A54012 |
| Base 16 (Hexadecimal) | 1DB8016 |
| Base 20 (Vigesimal) | F46820 |
Primes and Factors tests for 121728
| Is 121728 a Prime Number? | 121728 is NOT a prime |
| Is 121728 a perfect number? | 121728 is NOT a perfect number |
| Is 121728 a Mersenne Prime? | 121728 is NOT a Mersenne prime |
| Is 121728 a Fermat Prime? | 121728 is NOT a Fermat prime |
| Is 121728 a Fibonacci Prime? | 121728 is NOT a Fibonacci prime |
| Is 121728 a Partition Prime? | 121728 is NOT a Partition prime |
| Is 121728 a Pell Prime? | 121728 is NOT a Pell prime |
| Prime Factors | Prime factors of 121728 |
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121728 in other Numerals
| 121728 in Roman Numeral | CXXMDCCXXVIII |
| 121728 in Chinese Numeral | 壹拾萬貳萬壹仟柒佰貳拾捌 |
| 121728 in Egyptian Numeral | 𓆐𓂮𓆼𓍨𓎇𓐁 |
| 121728 in Babylonian Numeral |   |
Roots and stuff for 121728
| Is 121728 a square number? | 121728 is NOT a square number |
| Is 121728 a cube number? | 121728 is NOT a cube number |
| Square root of the number 121728 | 348.8953997977 |
| Cube root of the number 121728 | 49.559870420299 |
Recreational math for 121728
| Number 121728 reversed | 827121 |
| Sum of the digits | 21 |
| No of digits | 6 |