3 × 213461

Prime Factor Structure

Factorization String 3 × 213461

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 853,848

Proper Divisor Sum 213,465

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #640369 ← → #640411

1 3 213,461 640,383

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

640,383 1,921,150 960,575 2,881,726 1,440,863 4,322,590 2,161,295 6,483,886 3,241,943 9,725,830 4,862,915 14,588,746 7,294,373 21,883,120 10,941,560 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.