3 × 7 × 73 × 2521

Prime Factor Structure

Factorization String 3 × 7 × 73 × 2521

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 5,972,096

Proper Divisor Sum 2,107,403

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #3864691 ← → #3864697

1 3 7 21 73 219 511 1,533 2,521 7,563 17,647 52,941 184,033 552,099 1,288,231 3,864,693

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

3,864,693 11,594,080 5,797,040 2,898,520 1,449,260 724,630 362,315 1,086,946 543,473 1,630,420 815,210 407,605 1,222,816 611,408 305,704 152,852 76,426 38,213 114,640 57,320 28,660 14,330 7,165 21,496 10,748 5,374 2,687 8,062 4,031 12,094 6,047 18,142 9,071 27,214 13,607 40,822 20,411 61,234 30,617 91,852 45,926 22,963 68,890 34,445 103,336 51,668 25,834 12,917 38,752 19,376 9,688 4,844 2,422 1,211 3,634 1,817 5,452 2,726 1,363 4,090

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