5 × 13² × 2557

Prime Factor Structure

Factorization String 5 × 13^2 × 2557

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 2,808,684

Proper Divisor Sum 648,019

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #2160629 ← → #2160671

1 5 13 65 169 845 2,557 12,785 33,241 166,205 432,133 2,160,665

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

2,160,665 6,481,996 3,240,998 1,620,499 4,861,498 2,430,749 7,292,248 3,646,124 1,823,062 911,531 2,734,594 1,367,297 4,101,892 2,050,946 1,025,473 3,076,420 1,538,210 769,105 2,307,316 1,153,658 576,829 1,730,488 865,244 432,622 216,311 648,934 324,467 973,402 486,701 1,460,104 730,052 365,026 182,513 547,540 273,770 136,885 410,656 205,328 102,664 51,332 25,666 12,833 38,500 19,250 9,625 28,876 14,438 7,219 21,658 10,829 32,488 16,244 8,122 4,061 12,184 6,092 3,046 1,523 4,570 2,285

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