31 × 12821

Prime Factor Structure

Factorization String 31 × 12821

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 410,304

Proper Divisor Sum 12,853

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #397433 ← → #397459

1 31 12,821 397,451

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

397,451 1,192,354 596,177 1,788,532 894,266 447,133 1,341,400 670,700 335,350 167,675 503,026 251,513 754,540 377,270 188,635 565,906 282,953 848,860 424,430 212,215 636,646 318,323 954,970 477,485 1,432,456 716,228 358,114 179,057 537,172 268,586 134,293 402,880 201,440 100,720 50,360 25,180 12,590 6,295 18,886 9,443 28,330 14,165 42,496 21,248 10,624 5,312 2,656 1,328 664 332 166 83 250 125 376 188 94 47 142 71

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