13 × 17 × 43 × 61

Prime Factor Structure

Factorization String 13 × 17 × 43 × 61

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 687,456

Proper Divisor Sum 107,773

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #579673 ← → #579701

1 13 17 43 61 221 559 731 793 1,037 2,623 9,503 13,481 34,099 44,591 579,683

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

579,683 1,739,050 869,525 2,608,576 1,304,288 652,144 326,072 163,036 81,518 40,759 122,278 61,139 183,418 91,709 275,128 137,564 68,782 34,391 103,174 51,587 154,762 77,381 232,144 116,072 58,036 29,018 14,509 43,528 21,764 10,882 5,441 16,324 8,162 4,081 12,244 6,122 3,061 9,184 4,592 2,296 1,148 574 287 862 431 1,294 647 1,942 971 2,914 1,457 4,372 2,186 1,093 3,280 1,640 820 410 205 616

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