1980
Everything about the number 1980 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
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Names of 1980
| Nominal | 1980 |
| Cardinal | one thousand nine hundred eighty |
| Ordinal | 1,980th |
| This number as US currency | one thousand nine hundred eighty dollars |
Properties (and some facts) of 1980
| Is 1980 an odd number? | 1980 is not an odd number |
| Is 1980 an even number? | 1980 is an even number |
| Is 1980 a palindrome? | 1980 is not a palindrome |
| Is 1980 a triangle number? | 1980 is not a triangle number |
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1980 in other bases
| Base 2 (Binary) | 11110111100 |
| Base 3 (Ternary) | 2201100 |
| Base 4 (Quaternary) | 132330 |
| Base 5 (Quinary) | 30410 |
| Base 6 (Senary) | 13100 |
| Base 8 (Octal) | 3674 |
| Base 12 (Duodecimal) | 1190 |
| Base 16 (Hexadecimal) | 7BC |
| Base 20 (Vigesimal) | 4J0 |
Primes and factors tests for 1980
| Is 1980 a prime number? | 1980 is not a prime number |
| Is 1980 a perfect number? | 1980 is not a perfect number |
| Is 1980 a Mersenne prime? | 1980 is not a Mersenne prime |
| Is 1980 a Fermat prime? | 1980 is not a Fermat prime |
| Is 1980 a Fibonacci prime? | 1980 is not a Fibonacci prime |
| Is 1980 a partition prime? | 1980 is not a partition prime |
| Is 1980 a Pell prime? | 1980 is not a Pell prime |
| Prime Factors | Prime factors of 1980 |
1980 in other numeral systems
| 1980 in Roman numerals | MCMLXXX |
| 1980 in Chinese numerals | 壹仟玖佰捌拾 |
| 1980 in Babylonian numerals |  |
| 1980 in Egyptian numerals | 𓆼𓍪𓎍 |
Roots and squares for 1980
| Is 1980 a square number? | 1980 is not a square number |
| Is 1980 a cube number? | 1980 is not a cube number |
| Square root of 1980 | 44.497190922574 |
| Cube root of 1980 | 12.557072356439 |
Recreational math for 1980
| Number 1980 reversed | 0891 |
| Sum of the digits | 18 |
| Number of digits | 4 |
Arithmetic tables for 1980
Other pages about 1980
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