2² × 5 × 649639

Prime Factor Structure

Factorization String 2^2 × 5 × 649639

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 27,284,880

Proper Divisor Sum 14,292,100

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #12992761 ← → #12992797

1 2 4 5 10 20 649,639 1,299,278 2,598,556 3,248,195 6,496,390 12,992,780

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

12,992,780 6,496,390 3,248,195 9,744,586 4,872,293 14,616,880 7,308,440 3,654,220 1,827,110 913,555 2,740,666 1,370,333 4,111,000 2,055,500 1,027,750 513,875 1,541,626 770,813 2,312,440 1,156,220 578,110 289,055 867,166 433,583 1,300,750 650,375 1,951,126 975,563 2,926,690 1,463,345 4,390,036 2,195,018 1,097,509 3,292,528 1,646,264 823,132 411,566 205,783 617,350 308,675 926,026 463,013 1,389,040 694,520 347,260 173,630 86,815 260,446 130,223 390,670 195,335 586,006 293,003 879,010 439,505 1,318,516 659,258 329,629 988,888 494,444

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