3 × 19 × 109 × 631

Prime Factor Structure

Factorization String 3 × 19 × 109 × 631

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 5,561,600

Proper Divisor Sum 1,641,197

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #3920401 ← → #3920417

1 3 19 57 109 327 631 1,893 2,071 6,213 11,989 35,967 68,779 206,337 1,306,801 3,920,403

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

3,920,403 11,761,210 5,880,605 17,641,816 8,820,908 4,410,454 2,205,227 6,615,682 3,307,841 9,923,524 4,961,762 2,480,881 7,442,644 3,721,322 1,860,661 5,581,984 2,790,992 1,395,496 697,748 348,874 174,437 523,312 261,656 130,828 65,414 32,707 98,122 49,061 147,184 73,592 36,796 18,398 9,199 27,598 13,799 41,398 20,699 62,098 31,049 93,148 46,574 23,287 69,862 34,931 104,794 52,397 157,192 78,596 39,298 19,649 58,948 29,474 14,737 44,212 22,106 11,053 33,160 16,580 8,290 4,145

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