31 × 644671

Prime Factor Structure

Factorization String 31 × 644671

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 20,629,504

Proper Divisor Sum 644,703

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #19984747 ← → #19984807

1 31 644,671 19,984,801

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

19,984,801 59,954,404 29,977,202 14,988,601 44,965,804 22,482,902 11,241,451 33,724,354 16,862,177 50,586,532 25,293,266 12,646,633 37,939,900 18,969,950 9,484,975 28,454,926 14,227,463 42,682,390 21,341,195 64,023,586 32,011,793 96,035,380 48,017,690 24,008,845 72,026,536 36,013,268 18,006,634 9,003,317 27,009,952 13,504,976 6,752,488 3,376,244 1,688,122 844,061 2,532,184 1,266,092 633,046 316,523 949,570 474,785 1,424,356 712,178 356,089 1,068,268 534,134 267,067 801,202 400,601 1,201,804 600,902 300,451 901,354 450,677 1,352,032 676,016 338,008 169,004 84,502 42,251 126,754

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