3 × 7 × 13 × 2357

Prime Factor Structure

Factorization String 3 × 7 × 13 × 2357

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,056,384

Proper Divisor Sum 412,923

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #643457 ← → #643463

1 3 7 13 21 39 91 273 2,357 7,071 16,499 30,641 49,497 91,923 214,487 643,461

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

643,461 1,930,384 965,192 482,596 241,298 120,649 361,948 180,974 90,487 271,462 135,731 407,194 203,597 610,792 305,396 152,698 76,349 229,048 114,524 57,262 28,631 85,894 42,947 128,842 64,421 193,264 96,632 48,316 24,158 12,079 36,238 18,119 54,358 27,179 81,538 40,769 122,308 61,154 30,577 91,732 45,866 22,933 68,800 34,400 17,200 8,600 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.