Names of 138421
| Nominal | 138421 |
| Cardinal | one hundred thirty-eight thousand four hundred twenty-one |
| Ordinal | 138,421st |
| This number as US currency | one hundred thirty-eight thousand four hundred twenty-one dollars |
| Is 138421 an odd number? | 138421 is an odd number |
| Is 138421 an even number? | 138421 is NOT an even number |
| Is 138421 a palindrome? | 138421 is NOT a palindrome number |
| Is 138421 a triangle number? | 138421 is NOT a triangle number |
138421 in other Bases
| Base 2 (Binary) | 1000011100101101012 |
| Base 3 (Ternary) | 210002122013 |
| Base 4 (Quaternary) | 2013023114 |
| Base 5 (Quinary) | 134121415 |
| Base 6 (Senary) | 25445016 |
| Base 8 (Octal) | 4162658 |
| Base 12 (Duodecimal) | 6813112 |
| Base 16 (Hexadecimal) | 21CB516 |
| Base 20 (Vigesimal) | H61120 |
Primes and Factors tests for 138421
| Is 138421 a Prime Number? | 138421 is NOT a prime |
| Is 138421 a perfect number? | 138421 is NOT a perfect number |
| Is 138421 a Mersenne Prime? | 138421 is NOT a Mersenne prime |
| Is 138421 a Fermat Prime? | 138421 is NOT a Fermat prime |
| Is 138421 a Fibonacci Prime? | 138421 is NOT a Fibonacci prime |
| Is 138421 a Partition Prime? | 138421 is NOT a Partition prime |
| Is 138421 a Pell Prime? | 138421 is NOT a Pell prime |
| Prime Factors | Prime factors of 138421 |
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138421 in other Numerals
| 138421 in Roman Numeral | CXXXVMMMCDXXI |
| 138421 in Chinese Numeral | 壹拾萬叄萬捌仟肆佰貳拾壹 |
| 138421 in Egyptian Numeral | 𓆐𓂯𓇃𓍥𓎇𓏺 |
| 138421 in Babylonian Numeral |    |
Roots and stuff for 138421
| Is 138421 a square number? | 138421 is NOT a square number |
| Is 138421 a cube number? | 138421 is NOT a cube number |
| Square root of the number 138421 | 372.04972785906 |
| Cube root of the number 138421 | 51.728989424886 |
Recreational math for 138421
| Number 138421 reversed | 124831 |
| Sum of the digits | 19 |
| No of digits | 6 |