2 × 3 × 106781

Prime Factor Structure

Factorization String 2 × 3 × 106781

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,281,384

Proper Divisor Sum 640,698

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #640669 ← → #640687

1 2 3 6 106,781 213,562 320,343 640,686

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

640,686 320,343 961,030 480,515 1,441,546 720,773 2,162,320 1,081,160 540,580 270,290 135,145 405,436 202,718 101,359 304,078 152,039 456,118 228,059 684,178 342,089 1,026,268 513,134 256,567 769,702 384,851 1,154,554 577,277 1,731,832 865,916 432,958 216,479 649,438 324,719 974,158 487,079 1,461,238 730,619 2,191,858 1,095,929 3,287,788 1,643,894 821,947 2,465,842 1,232,921 3,698,764 1,849,382 924,691 2,774,074 1,387,037 4,161,112 2,080,556 1,040,278 520,139 1,560,418 780,209 2,340,628 1,170,314 585,157 1,755,472 877,736

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