2 × 820241

Prime Factor Structure

Factorization String 2 × 820241

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,460,726

Proper Divisor Sum 820,244

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #1640467 ← → #1640497

1 2 820,241 1,640,482

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

1,640,482 820,241 2,460,724 1,230,362 615,181 1,845,544 922,772 461,386 230,693 692,080 346,040 173,020 86,510 43,255 129,766 64,883 194,650 97,325 291,976 145,988 72,994 36,497 109,492 54,746 27,373 82,120 41,060 20,530 10,265 30,796 15,398 7,699 23,098 11,549 34,648 17,324 8,662 4,331 12,994 6,497 19,492 9,746 4,873 14,620 7,310 3,655 10,966 5,483 16,450 8,225 24,676 12,338 6,169 18,508 9,254 4,627 13,882 6,941 20,824 10,412

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