5 × 13 × 17 × 61

Prime Factor Structure

Factorization String 5 × 13 × 17 × 61

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 93,744

Proper Divisor Sum 26,339

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #67399 ← → #67409

1 5 13 17 61 65 85 221 305 793 1,037 1,105 3,965 5,185 13,481 67,405

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

67,405 202,216 101,108 50,554 25,277 75,832 37,916 18,958 9,479 28,438 14,219 42,658 21,329 63,988 31,994 15,997 47,992 23,996 11,998 5,999 17,998 8,999 26,998 13,499 40,498 20,249 60,748 30,374 15,187 45,562 22,781 68,344 34,172 17,086 8,543 25,630 12,815 38,446 19,223 57,670 28,835 86,506 43,253 129,760 64,880 32,440 16,220 8,110 4,055 12,166 6,083 18,250 9,125 27,376 13,688 6,844 3,422 1,711 5,134 2,567

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