3 × 13 × 15901

Prime Factor Structure

Factorization String 3 × 13 × 15901

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 890,512

Proper Divisor Sum 270,373

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #620117 ← → #620159

1 3 13 39 15,901 47,703 206,713 620,139

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

620,139 1,860,418 930,209 2,790,628 1,395,314 697,657 2,092,972 1,046,486 523,243 1,569,730 784,865 2,354,596 1,177,298 588,649 1,765,948 882,974 441,487 1,324,462 662,231 1,986,694 993,347 2,980,042 1,490,021 4,470,064 2,235,032 1,117,516 558,758 279,379 838,138 419,069 1,257,208 628,604 314,302 157,151 471,454 235,727 707,182 353,591 1,060,774 530,387 1,591,162 795,581 2,386,744 1,193,372 596,686 298,343 895,030 447,515 1,342,546 671,273 2,013,820 1,006,910 503,455 1,510,366 755,183 2,265,550 1,132,775 3,398,326 1,699,163 5,097,490

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