2 × 389 × 823

Prime Factor Structure

Factorization String 2 × 389 × 823

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 964,080

Proper Divisor Sum 323,786

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #640279 ← → #640303

1 2 389 778 823 1,646 320,147 640,294

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

640,294 320,147 960,442 480,221 1,440,664 720,332 360,166 180,083 540,250 270,125 810,376 405,188 202,594 101,297 303,892 151,946 75,973 227,920 113,960 56,980 28,490 14,245 42,736 21,368 10,684 5,342 2,671 8,014 4,007 12,022 6,011 18,034 9,017 27,052 13,526 6,763 20,290 10,145 30,436 15,218 7,609 22,828 11,414 5,707 17,122 8,561 25,684 12,842 6,421 19,264 9,632 4,816 2,408 1,204 602 301 904 452 226 113

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