3 × 157 × 457

Prime Factor Structure

Factorization String 3 × 157 × 457

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 289,456

Proper Divisor Sum 74,209

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #215239 ← → #215249

1 3 157 457 471 1,371 71,749 215,247

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

215,247 645,742 322,871 968,614 484,307 1,452,922 726,461 2,179,384 1,089,692 544,846 272,423 817,270 408,635 1,225,906 612,953 1,838,860 919,430 459,715 1,379,146 689,573 2,068,720 1,034,360 517,180 258,590 129,295 387,886 193,943 581,830 290,915 872,746 436,373 1,309,120 654,560 327,280 163,640 81,820 40,910 20,455 61,366 30,683 92,050 46,025 138,076 69,038 34,519 103,558 51,779 155,338 77,669 233,008 116,504 58,252 29,126 14,563 43,690 21,845 65,536 32,768 16,384 8,192

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