2 × 5 × 17 × 53 × 71

Prime Factor Structure

Factorization String 2 × 5 × 17 × 53 × 71

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 1,259,712

Proper Divisor Sum 620,002

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #639703 ← → #639713

1 2 5 10 17 34 53 71 85 106 142 170 265 355 530 710 901 1,207 1,802 2,414 3,763 4,505 6,035 7,526 9,010 12,070 18,815 37,630 63,971 127,942 319,855 639,710

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

639,710 319,855 959,566 479,783 1,439,350 719,675 2,159,026 1,079,513 3,238,540 1,619,270 809,635 2,428,906 1,214,453 3,643,360 1,821,680 910,840 455,420 227,710 113,855 341,566 170,783 512,350 256,175 768,526 384,263 1,152,790 576,395 1,729,186 864,593 2,593,780 1,296,890 648,445 1,945,336 972,668 486,334 243,167 729,502 364,751 1,094,254 547,127 1,641,382 820,691 2,462,074 1,231,037 3,693,112 1,846,556 923,278 461,639 1,384,918 692,459 2,077,378 1,038,689 3,116,068 1,558,034 779,017 2,337,052 1,168,526 584,263 1,752,790 876,395

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