13 × 17 × 19 × 331

Prime Factor Structure

Factorization String 13 × 17 × 19 × 331

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,673,280

Proper Divisor Sum 283,411

Digit Sum / Digital Root 44 (Root: 8)

Adjacent Primes #1389853 ← → #1389877

1 13 17 19 221 247 323 331 4,199 4,303 5,627 6,289 73,151 81,757 106,913 1,389,869

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

1,389,869 4,169,608 2,084,804 1,042,402 521,201 1,563,604 781,802 390,901 1,172,704 586,352 293,176 146,588 73,294 36,647 109,942 54,971 164,914 82,457 247,372 123,686 61,843 185,530 92,765 278,296 139,148 69,574 34,787 104,362 52,181 156,544 78,272 39,136 19,568 9,784 4,892 2,446 1,223 3,670 1,835 5,506 2,753 8,260 4,130 2,065 6,196 3,098 1,549 4,648 2,324 1,162 581 1,744 872 436 218 109 328 164 82 41

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