3 × 5 × 23 × 1867

Prime Factor Structure

Factorization String 3 × 5 × 23 × 1867

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,075,968

Proper Divisor Sum 431,853

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #644107 ← → #644117

1 3 5 15 23 69 115 345 1,867 5,601 9,335 28,005 42,941 128,823 214,705 644,115

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

644,115 1,932,346 966,173 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.