3 × 131 × 173 × 229

Prime Factor Structure

Factorization String 3 × 131 × 173 × 229

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 21,130,560

Proper Divisor Sum 5,561,079

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #15569473 ← → #15569497

1 3 131 173 229 393 519 687 22,663 29,999 39,617 67,989 89,997 118,851 5,189,827 15,569,481

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

15,569,481 46,708,444 23,354,222 11,677,111 35,031,334 17,515,667 52,547,002 26,273,501 78,820,504 39,410,252 19,705,126 9,852,563 29,557,690 14,778,845 44,336,536 22,168,268 11,084,134 5,542,067 16,626,202 8,313,101 24,939,304 12,469,652 6,234,826 3,117,413 9,352,240 4,676,120 2,338,060 1,169,030 584,515 1,753,546 876,773 2,630,320 1,315,160 657,580 328,790 164,395 493,186 246,593 739,780 369,890 184,945 554,836 277,418 138,709 416,128 208,064 104,032 52,016 26,008 13,004 6,502 3,251 9,754 4,877 14,632 7,316 3,658 1,829 5,488 2,744

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