3 × 7 × 41 × 743

Prime Factor Structure

Factorization String 3 × 7 × 41 × 743

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 999,936

Proper Divisor Sum 360,213

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #639719 ← → #639731

1 3 7 21 41 123 287 743 861 2,229 5,201 15,603 30,463 91,389 213,241 639,723

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

639,723 1,919,170 959,585 2,878,756 1,439,378 719,689 2,159,068 1,079,534 539,767 1,619,302 809,651 2,428,954 1,214,477 3,643,432 1,821,716 910,858 455,429 1,366,288 683,144 341,572 170,786 85,393 256,180 128,090 64,045 192,136 96,068 48,034 24,017 72,052 36,026 18,013 54,040 27,020 13,510 6,755 20,266 10,133 30,400 15,200 7,600 3,800 1,900 950 475 1,426 713 2,140 1,070 535 1,606 803 2,410 1,205 3,616 1,808 904 452 226 113

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