Integer Profile

642,873

3 × 7 × 11^3 × 23

Prime factors, divisor sums, positional representations and sequence properties for 642,873. The prime factorization is 3 × 7 × 11^3 × 23.

Number of positive divisors: 32. Showing the recorded part of the sequence: 185.

DeficientOddComposite

Prime factorization

Factorization: 3 × 7 × 11^3 × 23
Distinct prime factors: 4
Perfect square: No
Parity: Odd

Arithmetic properties

Positive divisors: 32
Divisor sum: 1,124,352
Proper-divisor sum: 481,479
Digit sum: 30
Digital root: 3

Number bases

Decimal: 642873
Binary: 10011100111100111001 (20 bits)
Octal: 0o2347471
Hexadecimal: 0x9CF39

Divisor catalog (32)

1371121233369771211612312533634837598471,3311,7712,5412,7833,9935,3138,3499,31719,48127,95130,61358,44391,839214,291642,873

Showing 32 of 32.

Collatz trajectory (185 steps)

Even: n → n/2; Odd: n → 3n + 1

642,8731,928,620964,310482,1551,446,466723,2332,169,7001,084,850542,4251,627,276813,638406,8191,220,458610,2291,830,688915,344457,672228,836114,41857,209171,62885,81442,907128,72264,361193,08496,54248,271144,81472,407217,222108,611325,834162,917488,752244,376122,18861,09430,54791,64245,821137,46468,73234,36617,18351,55025,77577,32638,663115,99057,995173,98686,993260,980130,49065,245195,73697,86848,93424,467

Showing 60 of 60.