2 × 257 × 1321

Prime Factor Structure

Factorization String 2 × 257 × 1321

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,023,228

Proper Divisor Sum 344,234

Digit Sum / Digital Root 43 (Root: 7)

Adjacent Primes #678989 ← → #679033

1 2 257 514 1,321 2,642 339,497 678,994

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

678,994 339,497 1,018,492 509,246 254,623 763,870 381,935 1,145,806 572,903 1,718,710 859,355 2,578,066 1,289,033 3,867,100 1,933,550 966,775 2,900,326 1,450,163 4,350,490 2,175,245 6,525,736 3,262,868 1,631,434 815,717 2,447,152 1,223,576 611,788 305,894 152,947 458,842 229,421 688,264 344,132 172,066 86,033 258,100 129,050 64,525 193,576 96,788 48,394 24,197 72,592 36,296 18,148 9,074 4,537 13,612 6,806 3,403 10,210 5,105 15,316 7,658 3,829 11,488 5,744 2,872 1,436 718

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