Integer Profile

6,421,805

5 × 13 × 31 × 3187

Prime factors, divisor sums, positional representations and sequence properties for 6,421,805. The prime factorization is 5 × 13 × 31 × 3187.

Number of positive divisors: 16. Showing the recorded part of the sequence: 72.

DeficientOddComposite

Divisor catalog (16)

151331651554032,0153,18715,93541,43198,797207,155493,9851,284,3616,421,805

Showing 16 of 16.

Collatz trajectory (72 steps)

Even: n → n/2; Odd: n → 3n + 1

6,421,80519,265,4169,632,7084,816,3542,408,1777,224,5323,612,2661,806,1335,418,4002,709,2001,354,600677,300338,650169,325507,976253,988126,99463,497190,49295,24647,623142,87071,435214,306107,153321,460160,73080,365241,096120,54860,27430,13790,41245,20622,60367,81033,905101,71650,85825,42976,28838,14419,0729,5364,7682,3841,1925962981494482241125628147221134

Showing 60 of 60.

Prime factorization

Factorization: 5 × 13 × 31 × 3187
Distinct prime factors: 4
Perfect square: No
Parity: Odd

Arithmetic properties

Positive divisors: 16
Divisor sum: 8,569,344
Proper-divisor sum: 2,147,539
Digit sum: 26
Digital root: 8

Number bases

Decimal: 6421805
Binary: 11000011111110100101101 (23 bits)
Octal: 0o30376455
Hexadecimal: 0x61FD2D