2500

2500 is a natural number that follows 2499 and precedes 2501. It is a perfect square, equal to 50 squared, and its prime factorization is 2^2 × 5^4. Consequently, 2500 has 15 positive divisors, including 1 and itself.

Representations in common bases include binary 100111000100, hexadecimal 0x9C4, and octal 4704. In Roman numerals it is written as MMD, reflecting 1000 + 1000 + 500.

Because 2500 equals 2^2 × 5^4, it can also be expressed as 25 × 100 or as 50^2. It is divisible by 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, and 2500. In everyday use, it is a round number often encountered in pricing, budgeting, or population estimates, and as a year it may denote a future date in the common era.