3 × 5 × 79 × 521

Prime Factor Structure

Factorization String 3 × 5 × 79 × 521

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,002,240

Proper Divisor Sum 384,855

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #617369 ← → #617387

1 3 5 15 79 237 395 521 1,185 1,563 2,605 7,815 41,159 123,477 205,795 617,385

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

617,385 1,852,156 926,078 463,039 1,389,118 694,559 2,083,678 1,041,839 3,125,518 1,562,759 4,688,278 2,344,139 7,032,418 3,516,209 10,548,628 5,274,314 2,637,157 7,911,472 3,955,736 1,977,868 988,934 494,467 1,483,402 741,701 2,225,104 1,112,552 556,276 278,138 139,069 417,208 208,604 104,302 52,151 156,454 78,227 234,682 117,341 352,024 176,012 88,006 44,003 132,010 66,005 198,016 99,008 49,504 24,752 12,376 6,188 3,094 1,547 4,642 2,321 6,964 3,482 1,741 5,224 2,612 1,306 653

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