13 × 17 × 1259

Prime Factor Structure

Factorization String 13 × 17 × 1259

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 317,520

Proper Divisor Sum 39,281

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #278237 ← → #278261

1 13 17 221 1,259 16,367 21,403 278,239

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

278,239 834,718 417,359 1,252,078 626,039 1,878,118 939,059 2,817,178 1,408,589 4,225,768 2,112,884 1,056,442 528,221 1,584,664 792,332 396,166 198,083 594,250 297,125 891,376 445,688 222,844 111,422 55,711 167,134 83,567 250,702 125,351 376,054 188,027 564,082 282,041 846,124 423,062 211,531 634,594 317,297 951,892 475,946 237,973 713,920 356,960 178,480 89,240 44,620 22,310 11,155 33,466 16,733 50,200 25,100 12,550 6,275 18,826 9,413 28,240 14,120 7,060 3,530 1,765

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