2 × 199 × 1609

Prime Factor Structure

Factorization String 2 × 199 × 1609

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 966,000

Proper Divisor Sum 325,618

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #640369 ← → #640411

1 2 199 398 1,609 3,218 320,191 640,382

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

640,382 320,191 960,574 480,287 1,440,862 720,431 2,161,294 1,080,647 3,241,942 1,620,971 4,862,914 2,431,457 7,294,372 3,647,186 1,823,593 5,470,780 2,735,390 1,367,695 4,103,086 2,051,543 6,154,630 3,077,315 9,231,946 4,615,973 13,847,920 6,923,960 3,461,980 1,730,990 865,495 2,596,486 1,298,243 3,894,730 1,947,365 5,842,096 2,921,048 1,460,524 730,262 365,131 1,095,394 547,697 1,643,092 821,546 410,773 1,232,320 616,160 308,080 154,040 77,020 38,510 19,255 57,766 28,883 86,650 43,325 129,976 64,988 32,494 16,247 48,742 24,371

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