5 × 7 × 19 × 31397

Prime Factor Structure

Factorization String 5 × 7 × 19 × 31397

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 30,142,080

Proper Divisor Sum 9,263,075

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #20878999 ← → #20879021

1 5 7 19 35 95 133 665 31,397 156,985 219,779 596,543 1,098,895 2,982,715 4,175,801 20,879,005

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

20,879,005 62,637,016 31,318,508 15,659,254 7,829,627 23,488,882 11,744,441 35,233,324 17,616,662 8,808,331 26,424,994 13,212,497 39,637,492 19,818,746 9,909,373 29,728,120 14,864,060 7,432,030 3,716,015 11,148,046 5,574,023 16,722,070 8,361,035 25,083,106 12,541,553 37,624,660 18,812,330 9,406,165 28,218,496 14,109,248 7,054,624 3,527,312 1,763,656 881,828 440,914 220,457 661,372 330,686 165,343 496,030 248,015 744,046 372,023 1,116,070 558,035 1,674,106 837,053 2,511,160 1,255,580 627,790 313,895 941,686 470,843 1,412,530 706,265 2,118,796 1,059,398 529,699 1,589,098 794,549

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