2588
2588 is a natural number that comes after 2587 and before 2589. It is an even composite number with prime factorization 2^2 × 647, where 647 is prime. The divisors are 1, 2, 4, 647, 1294, and 2588.
The sum of its digits is 23, so it is not divisible by 3 or 9. Because
In Roman numerals, 2588 is MMDLXXXVIII. In hexadecimal it is 0xA1C, and in octal it is 5034;
The number has six positive divisors, and it is not a Fibonacci number, with the nearest Fibonacci