13 × 19 × 61 × 571

Prime Factor Structure

Factorization String 13 × 19 × 61 × 571

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 9,929,920

Proper Divisor Sum 1,326,663

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #8603251 ← → #8603263

1 13 19 61 247 571 793 1,159 7,423 10,849 15,067 34,831 141,037 452,803 661,789 8,603,257

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

8,603,257 25,809,772 12,904,886 6,452,443 19,357,330 9,678,665 29,035,996 14,517,998 7,258,999 21,776,998 10,888,499 32,665,498 16,332,749 48,998,248 24,499,124 12,249,562 6,124,781 18,374,344 9,187,172 4,593,586 2,296,793 6,890,380 3,445,190 1,722,595 5,167,786 2,583,893 7,751,680 3,875,840 1,937,920 968,960 484,480 242,240 121,120 60,560 30,280 15,140 7,570 3,785 11,356 5,678 2,839 8,518 4,259 12,778 6,389 19,168 9,584 4,792 2,396 1,198 599 1,798 899 2,698 1,349 4,048 2,024 1,012 506 253

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