3 × 5 × 13 × 137

Prime Factor Structure

Factorization String 3 × 5 × 13 × 137

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 46,368

Proper Divisor Sum 19,653

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #26713 ← → #26717

1 3 5 13 15 39 65 137 195 411 685 1,781 2,055 5,343 8,905 26,715

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

26,715 80,146 40,073 120,220 60,110 30,055 90,166 45,083 135,250 67,625 202,876 101,438 50,719 152,158 76,079 228,238 114,119 342,358 171,179 513,538 256,769 770,308 385,154 192,577 577,732 288,866 144,433 433,300 216,650 108,325 324,976 162,488 81,244 40,622 20,311 60,934 30,467 91,402 45,701 137,104 68,552 34,276 17,138 8,569 25,708 12,854 6,427 19,282 9,641 28,924 14,462 7,231 21,694 10,847 32,542 16,271 48,814 24,407 73,222 36,611

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