Names of 80
| Nominal | 80 |
| Cardinal | eighty |
| Ordinal | 80th |
| This number as US currency | eighty dollars |
| Is 80 an odd number? | 80 is NOT an odd number |
| Is 80 an even number? | 80 is an even number |
| Is 80 a palindrome? | 80 is NOT a palindrome number |
| Is 80 a triangle number? | 80 is NOT a triangle number |
80 in other Bases
| Base 2 (Binary) | 10100002 |
| Base 3 (Ternary) | 22223 |
| Base 4 (Quaternary) | 11004 |
| Base 5 (Quinary) | 3105 |
| Base 6 (Senary) | 2126 |
| Base 8 (Octal) | 1208 |
| Base 12 (Duodecimal) | 6812 |
| Base 16 (Hexadecimal) | 5016 |
| Base 20 (Vigesimal) | 4020 |
Primes and Factors tests for 80
| Is 80 a Prime Number? | 80 is NOT a prime |
| Is 80 a perfect number? | 80 is NOT a perfect number |
| Is 80 a Mersenne Prime? | 80 is NOT a Mersenne prime |
| Is 80 a Fermat Prime? | 80 is NOT a Fermat prime |
| Is 80 a Fibonacci Prime? | 80 is NOT a Fibonacci prime |
| Is 80 a Partition Prime? | 80 is NOT a Partition prime |
| Is 80 a Pell Prime? | 80 is NOT a Pell prime |
| Prime Factors | Prime factors of 80 |
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80 in other Numerals
| 80 in Roman Numeral | LXXX |
| 80 in Chinese Numeral | 捌拾 |
| 80 in Egyptian Numeral | 𓎍 |
| 80 in Babylonian Numeral |   |
Roots and stuff for 80
| Is 80 a square number? | 80 is NOT a square number |
| Is 80 a cube number? | 80 is NOT a cube number |
| Square root of the number 80 | 8.9442719099992 |
| Cube root of the number 80 | 4.3088693800638 |
Recreational math for 80
| Number 80 reversed | 08 |
| Sum of the digits | 8 |
| No of digits | 2 |