3 × 13 × 17 × 1237

Prime Factor Structure

Factorization String 3 × 13 × 17 × 1237

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,247,904

Proper Divisor Sum 427,773

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #820129 ← → #820133

1 3 13 17 39 51 221 663 1,237 3,711 16,081 21,029 48,243 63,087 273,377 820,131

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

820,131 2,460,394 1,230,197 3,690,592 1,845,296 922,648 461,324 230,662 115,331 345,994 172,997 518,992 259,496 129,748 64,874 32,437 97,312 48,656 24,328 12,164 6,082 3,041 9,124 4,562 2,281 6,844 3,422 1,711 5,134 2,567 7,702 3,851 11,554 5,777 17,332 8,666 4,333 13,000 6,500 3,250 1,625 4,876 2,438 1,219 3,658 1,829 5,488 2,744 1,372 686 343 1,030 515 1,546 773 2,320 1,160 580 290 145

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