1987
Everything about the number 1987 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
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Names of 1987
| Nominal | 1987 |
| Cardinal | one thousand nine hundred eighty-seven |
| Ordinal | 1,987th |
| This number as US currency | one thousand nine hundred eighty-seven dollars |
Properties (and some facts) of 1987
| Is 1987 an odd number? | 1987 is an odd number |
| Is 1987 an even number? | 1987 is not an even number |
| Is 1987 a palindrome? | 1987 is not a palindrome |
| Is 1987 a triangle number? | 1987 is not a triangle number |
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1987 in other bases
| Base 2 (Binary) | 11111000011 |
| Base 3 (Ternary) | 2201121 |
| Base 4 (Quaternary) | 133003 |
| Base 5 (Quinary) | 30422 |
| Base 6 (Senary) | 13111 |
| Base 8 (Octal) | 3703 |
| Base 12 (Duodecimal) | 1197 |
| Base 16 (Hexadecimal) | 7C3 |
| Base 20 (Vigesimal) | 4J7 |
Primes and factors tests for 1987
| Is 1987 a prime number? | 1987 is a prime number |
| Is 1987 a perfect number? | 1987 is not a perfect number |
| Is 1987 a Mersenne prime? | 1987 is not a Mersenne prime |
| Is 1987 a Fermat prime? | 1987 is not a Fermat prime |
| Is 1987 a Fibonacci prime? | 1987 is not a Fibonacci prime |
| Is 1987 a partition prime? | 1987 is not a partition prime |
| Is 1987 a Pell prime? | 1987 is not a Pell prime |
| Prime Factors | Prime factors of 1987 |
1987 in other numeral systems
| 1987 in Roman numerals | MCMLXXXVII |
| 1987 in Chinese numerals | 壹仟玖佰捌拾柒 |
| 1987 in Babylonian numerals |   |
| 1987 in Egyptian numerals | 𓆼𓍪𓎍𓐀 |
Roots and squares for 1987
| Is 1987 a square number? | 1987 is not a square number |
| Is 1987 a cube number? | 1987 is not a cube number |
| Square root of 1987 | 44.575778176045 |
| Cube root of 1987 | 12.571852848727 |
Recreational math for 1987
| Number 1987 reversed | 7891 |
| Sum of the digits | 25 |
| Number of digits | 4 |
Arithmetic tables for 1987
Other pages about 1987
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