13 × 19 × 647

Prime Factor Structure

Factorization String 13 × 19 × 647

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 181,440

Proper Divisor Sum 21,631

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #159799 ← → #159811

1 13 19 247 647 8,411 12,293 159,809

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

159,809 479,428 239,714 119,857 359,572 179,786 89,893 269,680 134,840 67,420 33,710 16,855 50,566 25,283 75,850 37,925 113,776 56,888 28,444 14,222 7,111 21,334 10,667 32,002 16,001 48,004 24,002 12,001 36,004 18,002 9,001 27,004 13,502 6,751 20,254 10,127 30,382 15,191 45,574 22,787 68,362 34,181 102,544 51,272 25,636 12,818 6,409 19,228 9,614 4,807 14,422 7,211 21,634 10,817 32,452 16,226 8,113 24,340 12,170 6,085

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