2 × 5 × 2136649

Prime Factor Structure

Factorization String 2 × 5 × 2136649

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 38,459,700

Proper Divisor Sum 17,093,210

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #21366487 ← → #21366503

1 2 5 10 2,136,649 4,273,298 10,683,245 21,366,490

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

21,366,490 10,683,245 32,049,736 16,024,868 8,012,434 4,006,217 12,018,652 6,009,326 3,004,663 9,013,990 4,506,995 13,520,986 6,760,493 20,281,480 10,140,740 5,070,370 2,535,185 7,605,556 3,802,778 1,901,389 5,704,168 2,852,084 1,426,042 713,021 2,139,064 1,069,532 534,766 267,383 802,150 401,075 1,203,226 601,613 1,804,840 902,420 451,210 225,605 676,816 338,408 169,204 84,602 42,301 126,904 63,452 31,726 15,863 47,590 23,795 71,386 35,693 107,080 53,540 26,770 13,385 40,156 20,078 10,039 30,118 15,059 45,178 22,589

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