5 × 13 × 37 × 691

Prime Factor Structure

Factorization String 5 × 13 × 37 × 691

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,208,864

Proper Divisor Sum 547,009

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #1661851 ← → #1661857

1 5 13 37 65 185 481 691 2,405 3,455 8,983 25,567 44,915 127,835 332,371 1,661,855

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

1,661,855 4,985,566 2,492,783 7,478,350 3,739,175 11,217,526 5,608,763 16,826,290 8,413,145 25,239,436 12,619,718 6,309,859 18,929,578 9,464,789 28,394,368 14,197,184 7,098,592 3,549,296 1,774,648 887,324 443,662 221,831 665,494 332,747 998,242 499,121 1,497,364 748,682 374,341 1,123,024 561,512 280,756 140,378 70,189 210,568 105,284 52,642 26,321 78,964 39,482 19,741 59,224 29,612 14,806 7,403 22,210 11,105 33,316 16,658 8,329 24,988 12,494 6,247 18,742 9,371 28,114 14,057 42,172 21,086 10,543

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