3² × 5 × 31 × 281

Prime Factor Structure

Factorization String 3^2 × 5 × 31 × 281

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 703,872

Proper Divisor Sum 311,877

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #391987 ← → #391999

1 3 5 9 15 31 45 93 155 279 281 465 843 1,395 1,405 2,529 4,215 8,711 12,645 26,133 43,555 78,399 130,665 391,995

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

391,995 1,175,986 587,993 1,763,980 881,990 440,995 1,322,986 661,493 1,984,480 992,240 496,120 248,060 124,030 62,015 186,046 93,023 279,070 139,535 418,606 209,303 627,910 313,955 941,866 470,933 1,412,800 706,400 353,200 176,600 88,300 44,150 22,075 66,226 33,113 99,340 49,670 24,835 74,506 37,253 111,760 55,880 27,940 13,970 6,985 20,956 10,478 5,239 15,718 7,859 23,578 11,789 35,368 17,684 8,842 4,421 13,264 6,632 3,316 1,658 829 2,488

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