2² × 160663

Prime Factor Structure

Factorization String 2^2 × 160663

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 1,124,648

Proper Divisor Sum 481,996

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #642623 ← → #642673

1 2 4 160,663 321,326 642,652

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

642,652 321,326 160,663 481,990 240,995 722,986 361,493 1,084,480 542,240 271,120 135,560 67,780 33,890 16,945 50,836 25,418 12,709 38,128 19,064 9,532 4,766 2,383 7,150 3,575 10,726 5,363 16,090 8,045 24,136 12,068 6,034 3,017 9,052 4,526 2,263 6,790 3,395 10,186 5,093 15,280 7,640 3,820 1,910 955 2,866 1,433 4,300 2,150 1,075 3,226 1,613 4,840 2,420 1,210 605 1,816 908 454 227 682

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.