Names of 166401
| Nominal | 166401 |
| Cardinal | one hundred sixty-six thousand four hundred one |
| Ordinal | 166,401st |
| This number as US currency | one hundred sixty-six thousand four hundred one dollars |
| Is 166401 an odd number? | 166401 is an odd number |
| Is 166401 an even number? | 166401 is NOT an even number |
| Is 166401 a palindrome? | 166401 is NOT a palindrome number |
| Is 166401 a triangle number? | 166401 is NOT a triangle number |
166401 in other Bases
| Base 2 (Binary) | 1010001010000000012 |
| Base 3 (Ternary) | 221100210003 |
| Base 4 (Quaternary) | 2202200014 |
| Base 5 (Quinary) | 203111015 |
| Base 6 (Senary) | 33222136 |
| Base 8 (Octal) | 5050018 |
| Base 12 (Duodecimal) | 8036912 |
| Base 16 (Hexadecimal) | 28A0116 |
| Base 20 (Vigesimal) | 10G0120 |
Primes and Factors tests for 166401
| Is 166401 a Prime Number? | 166401 is NOT a prime |
| Is 166401 a perfect number? | 166401 is NOT a perfect number |
| Is 166401 a Mersenne Prime? | 166401 is NOT a Mersenne prime |
| Is 166401 a Fermat Prime? | 166401 is NOT a Fermat prime |
| Is 166401 a Fibonacci Prime? | 166401 is NOT a Fibonacci prime |
| Is 166401 a Partition Prime? | 166401 is NOT a Partition prime |
| Is 166401 a Pell Prime? | 166401 is NOT a Pell prime |
| Prime Factors | Prime factors of 166401 |
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166401 in other Numerals
| 166401 in Roman Numeral | CLXVMCDI |
| 166401 in Chinese Numeral | 壹拾萬陸萬陸仟肆佰壹 |
| 166401 in Egyptian Numeral | 𓆐𓂲𓇁𓍥𓏺 |
| 166401 in Babylonian Numeral |    |
Roots and stuff for 166401
| Is 166401 a square number? | 166401 is NOT a square number |
| Is 166401 a cube number? | 166401 is NOT a cube number |
| Square root of the number 166401 | 407.92278681143 |
| Cube root of the number 166401 | 55.002864864545 |
Recreational math for 166401
| Number 166401 reversed | 104661 |
| Sum of the digits | 18 |
| No of digits | 6 |