19742
Everything about the number 19742 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
Names of 19742
| Nominal | 19742 |
| Cardinal | nineteen thousand seven hundred forty-two |
| Ordinal | 19,742nd |
| This number as US currency | nineteen thousand seven hundred forty-two dollars |
Properties (and some facts) of 19742
| Is 19742 an odd number? | 19742 is not an odd number |
| Is 19742 an even number? | 19742 is an even number |
| Is 19742 a palindrome? | 19742 is not a palindrome |
| Is 19742 a triangle number? | 19742 is not a triangle number |
19742 in other bases
| Base 2 (Binary) | 100110100011110 |
| Base 3 (Ternary) | 1000002012 |
| Base 4 (Quaternary) | 10310132 |
| Base 5 (Quinary) | 1112432 |
| Base 6 (Senary) | 231222 |
| Base 8 (Octal) | 46436 |
| Base 12 (Duodecimal) | B512 |
| Base 16 (Hexadecimal) | 4D1E |
| Base 20 (Vigesimal) | 2972 |
Primes and factors tests for 19742
| Is 19742 a prime number? | 19742 is not a prime number |
| Is 19742 a perfect number? | 19742 is not a perfect number |
| Is 19742 a Mersenne prime? | 19742 is not a Mersenne prime |
| Is 19742 a Fermat prime? | 19742 is not a Fermat prime |
| Is 19742 a Fibonacci prime? | 19742 is not a Fibonacci prime |
| Is 19742 a partition prime? | 19742 is not a partition prime |
| Is 19742 a Pell prime? | 19742 is not a Pell prime |
| Prime Factors | Prime factors of 19742 |
19742 in other numeral systems
| 19742 in Roman numerals | XMXDCCXLII |
| 19742 in Chinese numerals | 壹萬玖仟柒佰肆拾貳 |
| 19742 in Babylonian numerals |    |
| 19742 in Egyptian numerals | 𓂭𓇄𓍨𓎉𓏻 |
Roots and squares for 19742
| Is 19742 a square number? | 19742 is not a square number |
| Is 19742 a cube number? | 19742 is not a cube number |
| Square root of 19742 | 140.50622761999 |
| Cube root of 19742 | 27.026950684469 |
Recreational math for 19742
| Number 19742 reversed | 24791 |
| Sum of the digits | 23 |
| Number of digits | 5 |