13 × 23 × 47 × 61

Prime Factor Structure

Factorization String 13 × 23 × 47 × 61

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 999,936

Proper Divisor Sum 142,703

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #857221 ← → #857249

1 13 23 47 61 299 611 793 1,081 1,403 2,867 14,053 18,239 37,271 65,941 857,233

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

857,233 2,571,700 1,285,850 642,925 1,928,776 964,388 482,194 241,097 723,292 361,646 180,823 542,470 271,235 813,706 406,853 1,220,560 610,280 305,140 152,570 76,285 228,856 114,428 57,214 28,607 85,822 42,911 128,734 64,367 193,102 96,551 289,654 144,827 434,482 217,241 651,724 325,862 162,931 488,794 244,397 733,192 366,596 183,298 91,649 274,948 137,474 68,737 206,212 103,106 51,553 154,660 77,330 38,665 115,996 57,998 28,999 86,998 43,499 130,498 65,249 195,748

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