Integer Profile

663,425

5^2 × 7 × 17 × 223

Prime factors, divisor sums, positional representations and sequence properties for 663,425. The prime factorization is 5^2 × 7 × 17 × 223.

Number of positive divisors: 24. Showing the recorded part of the sequence: 66.

DeficientOddComposite

Divisor catalog (24)

157172535851191752234255951,1151,5612,9753,7915,5757,80518,95526,53739,02594,775132,685663,425

Showing 24 of 24.

Collatz trajectory (66 steps)

Even: n → n/2; Odd: n → 3n + 1

663,4251,990,276995,138497,5691,492,708746,354373,1771,119,532559,766279,883839,650419,8251,259,476629,738314,869944,608472,304236,152118,07659,03829,51988,55844,279132,83866,419199,25899,629298,888149,44474,72237,361112,08456,04228,02184,06442,03221,01610,5085,2542,6277,8823,94111,8245,9122,9561,4787392,2181,1093,3281,6648324162081045226134020

Showing 60 of 60.

Prime factorization

Factorization: 5^2 × 7 × 17 × 223
Distinct prime factors: 4
Perfect square: No
Parity: Odd

Arithmetic properties

Positive divisors: 24
Divisor sum: 999,936
Proper-divisor sum: 336,511
Digit sum: 26
Digital root: 8

Number bases

Decimal: 663425
Binary: 10100001111110000001 (20 bits)
Octal: 0o2417601
Hexadecimal: 0xA1F81