7 × 13 × 139 × 563

Prime Factor Structure

Factorization String 7 × 13 × 139 × 563

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 8,843,520

Proper Divisor Sum 1,722,133

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #7121377 ← → #7121399

1 7 13 91 139 563 973 1,807 3,941 7,319 12,649 51,233 78,257 547,799 1,017,341 7,121,387

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

7,121,387 21,364,162 10,682,081 32,046,244 16,023,122 8,011,561 24,034,684 12,017,342 6,008,671 18,026,014 9,013,007 27,039,022 13,519,511 40,558,534 20,279,267 60,837,802 30,418,901 91,256,704 45,628,352 22,814,176 11,407,088 5,703,544 2,851,772 1,425,886 712,943 2,138,830 1,069,415 3,208,246 1,604,123 4,812,370 2,406,185 7,218,556 3,609,278 1,804,639 5,413,918 2,706,959 8,120,878 4,060,439 12,181,318 6,090,659 18,271,978 9,135,989 27,407,968 13,703,984 6,851,992 3,425,996 1,712,998 856,499 2,569,498 1,284,749 3,854,248 1,927,124 963,562 481,781 1,445,344 722,672 361,336 180,668 90,334 45,167

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