3 × 23 × 41 × 139

Prime Factor Structure

Factorization String 3 × 23 × 41 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 564,480

Proper Divisor Sum 171,249

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #393209 ← → #393241

1 3 23 41 69 123 139 417 943 2,829 3,197 5,699 9,591 17,097 131,077 393,231

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

393,231 1,179,694 589,847 1,769,542 884,771 2,654,314 1,327,157 3,981,472 1,990,736 995,368 497,684 248,842 124,421 373,264 186,632 93,316 46,658 23,329 69,988 34,994 17,497 52,492 26,246 13,123 39,370 19,685 59,056 29,528 14,764 7,382 3,691 11,074 5,537 16,612 8,306 4,153 12,460 6,230 3,115 9,346 4,673 14,020 7,010 3,505 10,516 5,258 2,629 7,888 3,944 1,972 986 493 1,480 740 370 185 556 278 139 418

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