13 × 23 × 197 × 347

Prime Factor Structure

Factorization String 13 × 23 × 197 × 347

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 23,151,744

Proper Divisor Sum 2,712,403

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #20439329 ← → #20439347

1 13 23 197 299 347 2,561 4,511 4,531 7,981 58,903 68,359 103,753 888,667 1,572,257 20,439,341

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

20,439,341 61,318,024 30,659,012 15,329,506 7,664,753 22,994,260 11,497,130 5,748,565 17,245,696 8,622,848 4,311,424 2,155,712 1,077,856 538,928 269,464 134,732 67,366 33,683 101,050 50,525 151,576 75,788 37,894 18,947 56,842 28,421 85,264 42,632 21,316 10,658 5,329 15,988 7,994 3,997 11,992 5,996 2,998 1,499 4,498 2,249 6,748 3,374 1,687 5,062 2,531 7,594 3,797 11,392 5,696 2,848 1,424 712 356 178 89 268 134 67 202 101

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