Names of 49
| Nominal | 49 |
| Cardinal | forty-nine |
| Ordinal | 49th |
| This number as US currency | forty-nine dollars |
| Is 49 an odd number? | 49 is an odd number |
| Is 49 an even number? | 49 is NOT an even number |
| Is 49 a palindrome? | 49 is NOT a palindrome number |
| Is 49 a triangle number? | 49 is NOT a triangle number |
49 in other Bases
| Base 2 (Binary) | 1100012 |
| Base 3 (Ternary) | 12113 |
| Base 4 (Quaternary) | 3014 |
| Base 5 (Quinary) | 1445 |
| Base 6 (Senary) | 1216 |
| Base 8 (Octal) | 618 |
| Base 12 (Duodecimal) | 4112 |
| Base 16 (Hexadecimal) | 3116 |
| Base 20 (Vigesimal) | 2920 |
Primes and Factors tests for 49
| Is 49 a Prime Number? | 49 is NOT a prime |
| Is 49 a perfect number? | 49 is NOT a perfect number |
| Is 49 a Mersenne Prime? | 49 is NOT a Mersenne prime |
| Is 49 a Fermat Prime? | 49 is NOT a Fermat prime |
| Is 49 a Fibonacci Prime? | 49 is NOT a Fibonacci prime |
| Is 49 a Partition Prime? | 49 is NOT a Partition prime |
| Is 49 a Pell Prime? | 49 is NOT a Pell prime |
| Prime Factors | Prime factors of 49 |
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49 in other Numerals
| 49 in Roman Numeral | XLIX |
| 49 in Chinese Numeral | 肆拾玖 |
| 49 in Egyptian Numeral | 𓎉𓐂 |
| 49 in Babylonian Numeral |  |
Roots and stuff for 49
| Is 49 a square number? | 49 is a square number |
| Is 49 a cube number? | 49 is NOT a cube number |
| Square root of the number 49 | 7 |
| Cube root of the number 49 | 3.659305710023 |
Recreational math for 49
| Number 49 reversed | 94 |
| Sum of the digits | 13 |
| No of digits | 2 |