Integer Profile

640,575

3^3 × 5^2 × 13 × 73

Prime factors, divisor sums, positional representations and sequence properties for 640,575. The prime factorization is 3^3 × 5^2 × 13 × 73.

Number of positive divisors: 48. Showing the recorded part of the sequence: 172.

AbundantOddComposite

Divisor catalog (48)

13591315252739456573751171351952192253253513655856576759499751,0951,7551,8251,9712,8472,9253,2854,7455,4758,5418,7759,85514,23516,42523,72525,62342,70549,27571,175128,115213,525640,575

Showing 48 of 48.

Collatz trajectory (172 steps)

Even: n → n/2; Odd: n → 3n + 1

640,5751,921,726960,8632,882,5901,441,2954,323,8862,161,9436,485,8303,242,9159,728,7464,864,37314,593,1207,296,5603,648,2801,824,140912,070456,0351,368,106684,0532,052,1601,026,080513,040256,520128,26064,13032,06596,19648,09824,04972,14836,07418,03754,11227,05613,5286,7643,3821,6915,0742,5377,6123,8061,9035,7102,8558,5664,28312,8506,42519,2769,6384,81914,4587,22921,68810,8445,4222,7118,1344,067

Showing 60 of 60.

Prime factorization

Factorization: 3^3 × 5^2 × 13 × 73
Distinct prime factors: 4
Perfect square: No
Parity: Odd

Arithmetic properties

Positive divisors: 48
Divisor sum: 1,284,640
Proper-divisor sum: 644,065
Digit sum: 27
Digital root: 9

Number bases

Decimal: 640575
Binary: 10011100011000111111 (20 bits)
Octal: 0o2343077
Hexadecimal: 0x9C63F