221000

221000 is the natural number that follows 220999 and precedes 221001. In decimal notation it is written as 221000.

Prime factorization and divisibility: 221000 = 2^3 × 5^3 × 13 × 17. Because it contains 2^3 and 5^3, the number is divisible by 8, 125, and consequently by 1000. It ends with three zeros, reflecting its factorization as 221 × 1000. The digit sum is 2+2+1+0+0+0 = 5, so the number is not divisible by 3 or 9.

Divisors and arithmetic properties: From its prime factorization, 221000 has 64 positive divisors. It is an even number and a multiple of 125, 8, and 1000, among many other divisors derived from combining the prime factors.

Representations in different bases and scales: In scientific notation, 221000 equals 2.21 × 10^5. In hexadecimal, 221000 is 0x35F48.

Context and usage: As a six-digit decimal value, 221000 can appear in labeling, statistics, inventories, or identifiers. It does not have a widely recognized mathematical significance beyond its factorization and its status as a composite multiple of 1000.