2² × 13 × 413711

Prime Factor Structure

Factorization String 2^2 × 13 × 413711

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 40,543,776

Proper Divisor Sum 19,030,804

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #21512969 ← → #21513001

1 2 4 13 26 52 413,711 827,422 1,654,844 5,378,243 10,756,486 21,512,972

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

21,512,972 10,756,486 5,378,243 16,134,730 8,067,365 24,202,096 12,101,048 6,050,524 3,025,262 1,512,631 4,537,894 2,268,947 6,806,842 3,403,421 10,210,264 5,105,132 2,552,566 1,276,283 3,828,850 1,914,425 5,743,276 2,871,638 1,435,819 4,307,458 2,153,729 6,461,188 3,230,594 1,615,297 4,845,892 2,422,946 1,211,473 3,634,420 1,817,210 908,605 2,725,816 1,362,908 681,454 340,727 1,022,182 511,091 1,533,274 766,637 2,299,912 1,149,956 574,978 287,489 862,468 431,234 215,617 646,852 323,426 161,713 485,140 242,570 121,285 363,856 181,928 90,964 45,482 22,741

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