19 × 23 × 43 × 59

Prime Factor Structure

Factorization String 19 × 23 × 43 × 59

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,267,200

Proper Divisor Sum 158,531

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #1108663 ← → #1108691

1 19 23 43 59 437 817 989 1,121 1,357 2,537 18,791 25,783 48,203 58,351 1,108,669

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

1,108,669 3,326,008 1,663,004 831,502 415,751 1,247,254 623,627 1,870,882 935,441 2,806,324 1,403,162 701,581 2,104,744 1,052,372 526,186 263,093 789,280 394,640 197,320 98,660 49,330 24,665 73,996 36,998 18,499 55,498 27,749 83,248 41,624 20,812 10,406 5,203 15,610 7,805 23,416 11,708 5,854 2,927 8,782 4,391 13,174 6,587 19,762 9,881 29,644 14,822 7,411 22,234 11,117 33,352 16,676 8,338 4,169 12,508 6,254 3,127 9,382 4,691 14,074 7,037

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