13 × 19 × 15881

Prime Factor Structure

Factorization String 13 × 19 × 15881

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 4,446,960

Proper Divisor Sum 524,353

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #3922601 ← → #3922613

1 13 19 247 15,881 206,453 301,739 3,922,607

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

3,922,607 11,767,822 5,883,911 17,651,734 8,825,867 26,477,602 13,238,801 39,716,404 19,858,202 9,929,101 29,787,304 14,893,652 7,446,826 3,723,413 11,170,240 5,585,120 2,792,560 1,396,280 698,140 349,070 174,535 523,606 261,803 785,410 392,705 1,178,116 589,058 294,529 883,588 441,794 220,897 662,692 331,346 165,673 497,020 248,510 124,255 372,766 186,383 559,150 279,575 838,726 419,363 1,258,090 629,045 1,887,136 943,568 471,784 235,892 117,946 58,973 176,920 88,460 44,230 22,115 66,346 33,173 99,520 49,760 24,880

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