Names of 142991
| Nominal | 142991 |
| Cardinal | one hundred forty-two thousand nine hundred ninety-one |
| Ordinal | 142,991st |
| This number as US currency | one hundred forty-two thousand nine hundred ninety-one dollars |
| Is 142991 an odd number? | 142991 is an odd number |
| Is 142991 an even number? | 142991 is NOT an even number |
| Is 142991 a palindrome? | 142991 is NOT a palindrome number |
| Is 142991 a triangle number? | 142991 is NOT a triangle number |
142991 in other Bases
| Base 2 (Binary) | 1000101110100011112 |
| Base 3 (Ternary) | 210210102223 |
| Base 4 (Quaternary) | 2023220334 |
| Base 5 (Quinary) | 140334315 |
| Base 6 (Senary) | 30215556 |
| Base 8 (Octal) | 4272178 |
| Base 12 (Duodecimal) | 6A8BB12 |
| Base 16 (Hexadecimal) | 22E8F16 |
| Base 20 (Vigesimal) | HH9B20 |
Primes and Factors tests for 142991
| Is 142991 a Prime Number? | 142991 is NOT a prime |
| Is 142991 a perfect number? | 142991 is NOT a perfect number |
| Is 142991 a Mersenne Prime? | 142991 is NOT a Mersenne prime |
| Is 142991 a Fermat Prime? | 142991 is NOT a Fermat prime |
| Is 142991 a Fibonacci Prime? | 142991 is NOT a Fibonacci prime |
| Is 142991 a Partition Prime? | 142991 is NOT a Partition prime |
| Is 142991 a Pell Prime? | 142991 is NOT a Pell prime |
| Prime Factors | Prime factors of 142991 |
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142991 in other Numerals
| 142991 in Roman Numeral | CXLMMCMXCI |
| 142991 in Chinese Numeral | 壹拾萬肆萬貳仟玖佰玖拾壹 |
| 142991 in Egyptian Numeral | 𓆐𓂰𓆽𓍪𓎎𓏺 |
| 142991 in Babylonian Numeral |    |
Roots and stuff for 142991
| Is 142991 a square number? | 142991 is NOT a square number |
| Is 142991 a cube number? | 142991 is NOT a cube number |
| Square root of the number 142991 | 378.14150790412 |
| Cube root of the number 142991 | 52.292118234083 |
Recreational math for 142991
| Number 142991 reversed | 199241 |
| Sum of the digits | 26 |
| No of digits | 6 |