2 × 397 × 857

Prime Factor Structure

Factorization String 2 × 397 × 857

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,024,452

Proper Divisor Sum 343,994

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #680453 ← → #680489

1 2 397 794 857 1,714 340,229 680,458

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

680,458 340,229 1,020,688 510,344 255,172 127,586 63,793 191,380 95,690 47,845 143,536 71,768 35,884 17,942 8,971 26,914 13,457 40,372 20,186 10,093 30,280 15,140 7,570 3,785 11,356 5,678 2,839 8,518 4,259 12,778 6,389 19,168 9,584 4,792 2,396 1,198 599 1,798 899 2,698 1,349 4,048 2,024 1,012 506 253 760 380 190 95 286 143 430 215 646 323 970 485 1,456 728

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