5 × 13 × 31 × 61

Prime Factor Structure

Factorization String 5 × 13 × 31 × 61

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 166,656

Proper Divisor Sum 43,741

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #122891 ← → #122921

1 5 13 31 61 65 155 305 403 793 1,891 2,015 3,965 9,455 24,583 122,915

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

122,915 368,746 184,373 553,120 276,560 138,280 69,140 34,570 17,285 51,856 25,928 12,964 6,482 3,241 9,724 4,862 2,431 7,294 3,647 10,942 5,471 16,414 8,207 24,622 12,311 36,934 18,467 55,402 27,701 83,104 41,552 20,776 10,388 5,194 2,597 7,792 3,896 1,948 974 487 1,462 731 2,194 1,097 3,292 1,646 823 2,470 1,235 3,706 1,853 5,560 2,780 1,390 695 2,086 1,043 3,130 1,565 4,696

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