3 × 11 × 13 × 31 × 1609

Prime Factor Structure

Factorization String 3 × 11 × 13 × 31 × 1609

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 34,621,440

Proper Divisor Sum 13,223,349

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #21398081 ← → #21398101

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

21,398,091 64,194,274 32,097,137 96,291,412 48,145,706 24,072,853 72,218,560 36,109,280 18,054,640 9,027,320 4,513,660 2,256,830 1,128,415 3,385,246 1,692,623 5,077,870 2,538,935 7,616,806 3,808,403 11,425,210 5,712,605 17,137,816 8,568,908 4,284,454 2,142,227 6,426,682 3,213,341 9,640,024 4,820,012 2,410,006 1,205,003 3,615,010 1,807,505 5,422,516 2,711,258 1,355,629 4,066,888 2,033,444 1,016,722 508,361 1,525,084 762,542 381,271 1,143,814 571,907 1,715,722 857,861 2,573,584 1,286,792 643,396 321,698 160,849 482,548 241,274 120,637 361,912 180,956 90,478 45,239 135,718

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