251 × 1621

Prime Factor Structure

Factorization String 251 × 1621

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 408,744

Proper Divisor Sum 1,873

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #406859 ← → #406873

1 251 1,621 406,871

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

406,871 1,220,614 610,307 1,830,922 915,461 2,746,384 1,373,192 686,596 343,298 171,649 514,948 257,474 128,737 386,212 193,106 96,553 289,660 144,830 72,415 217,246 108,623 325,870 162,935 488,806 244,403 733,210 366,605 1,099,816 549,908 274,954 137,477 412,432 206,216 103,108 51,554 25,777 77,332 38,666 19,333 58,000 29,000 14,500 7,250 3,625 10,876 5,438 2,719 8,158 4,079 12,238 6,119 18,358 9,179 27,538 13,769 41,308 20,654 10,327 30,982 15,491

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