3 × 5 × 131 × 199

Prime Factor Structure

Factorization String 3 × 5 × 131 × 199

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 633,600

Proper Divisor Sum 242,565

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #391031 ← → #391049

1 3 5 15 131 199 393 597 655 995 1,965 2,985 26,069 78,207 130,345 391,035

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

391,035 1,173,106 586,553 1,759,660 879,830 439,915 1,319,746 659,873 1,979,620 989,810 494,905 1,484,716 742,358 371,179 1,113,538 556,769 1,670,308 835,154 417,577 1,252,732 626,366 313,183 939,550 469,775 1,409,326 704,663 2,113,990 1,056,995 3,170,986 1,585,493 4,756,480 2,378,240 1,189,120 594,560 297,280 148,640 74,320 37,160 18,580 9,290 4,645 13,936 6,968 3,484 1,742 871 2,614 1,307 3,922 1,961 5,884 2,942 1,471 4,414 2,207 6,622 3,311 9,934 4,967 14,902

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