2 × 5 × 2139653

Prime Factor Structure

Factorization String 2 × 5 × 2139653

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 38,513,772

Proper Divisor Sum 17,117,242

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #21396511 ← → #21396533

1 2 5 10 2,139,653 4,279,306 10,698,265 21,396,530

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

21,396,530 10,698,265 32,094,796 16,047,398 8,023,699 24,071,098 12,035,549 36,106,648 18,053,324 9,026,662 4,513,331 13,539,994 6,769,997 20,309,992 10,154,996 5,077,498 2,538,749 7,616,248 3,808,124 1,904,062 952,031 2,856,094 1,428,047 4,284,142 2,142,071 6,426,214 3,213,107 9,639,322 4,819,661 14,458,984 7,229,492 3,614,746 1,807,373 5,422,120 2,711,060 1,355,530 677,765 2,033,296 1,016,648 508,324 254,162 127,081 381,244 190,622 95,311 285,934 142,967 428,902 214,451 643,354 321,677 965,032 482,516 241,258 120,629 361,888 180,944 90,472 45,236 22,618

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