Names of 642420
| Nominal | 642420 |
| Cardinal | six hundred forty-two thousand four hundred twenty |
| Ordinal | 642,420th |
| This number as US currency | six hundred forty-two thousand four hundred twenty dollars |
| Is 642420 an odd number? | 642420 is NOT an odd number |
| Is 642420 an even number? | 642420 is an even number |
| Is 642420 a palindrome? | 642420 is NOT a palindrome number |
| Is 642420 a triangle number? | 642420 is NOT a triangle number |
642420 in other Bases
| Base 2 (Binary) | 100111001101011101002 |
| Base 3 (Ternary) | 10121220201003 |
| Base 4 (Quaternary) | 21303113104 |
| Base 5 (Quinary) | 1310241405 |
| Base 6 (Senary) | 214341006 |
| Base 8 (Octal) | 23465648 |
| Base 12 (Duodecimal) | 26B93012 |
| Base 16 (Hexadecimal) | 9CD7416 |
| Base 20 (Vigesimal) | 4061020 |
Primes and Factors tests for 642420
| Is 642420 a Prime Number? | 642420 is NOT a prime |
| Is 642420 a perfect number? | 642420 is NOT a perfect number |
| Is 642420 a Mersenne Prime? | 642420 is NOT a Mersenne prime |
| Is 642420 a Fermat Prime? | 642420 is NOT a Fermat prime |
| Is 642420 a Fibonacci Prime? | 642420 is NOT a Fibonacci prime |
| Is 642420 a Partition Prime? | 642420 is NOT a Partition prime |
| Is 642420 a Pell Prime? | 642420 is NOT a Pell prime |
| Prime Factors | Prime factors of 642420 |
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642420 in other Numerals
| 642420 in Roman Numeral | DCXLMMCDXX |
| 642420 in Chinese Numeral | 陸拾萬肆萬貳仟肆佰貳拾 |
| 642420 in Egyptian Numeral | 𓆐𓆐𓆐𓆐𓆐𓆐𓂰𓆽𓍥𓎇 |
| 642420 in Babylonian Numeral |    |
Roots and stuff for 642420
| Is 642420 a square number? | 642420 is NOT a square number |
| Is 642420 a cube number? | 642420 is NOT a cube number |
| Square root of the number 642420 | 801.51107291166 |
| Cube root of the number 642420 | 86.28587039805 |
Recreational math for 642420
| Number 642420 reversed | 024246 |
| Sum of the digits | 18 |
| No of digits | 6 |