3 × 6521

Prime Factor Structure

Factorization String 3 × 6521

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 26,088

Proper Divisor Sum 6,525

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #19559 ← → #19571

1 3 6,521 19,563

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

19,563 58,690 29,345 88,036 44,018 22,009 66,028 33,014 16,507 49,522 24,761 74,284 37,142 18,571 55,714 27,857 83,572 41,786 20,893 62,680 31,340 15,670 7,835 23,506 11,753 35,260 17,630 8,815 26,446 13,223 39,670 19,835 59,506 29,753 89,260 44,630 22,315 66,946 33,473 100,420 50,210 25,105 75,316 37,658 18,829 56,488 28,244 14,122 7,061 21,184 10,592 5,296 2,648 1,324 662 331 994 497 1,492 746

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