3 × 5² × 13 × 401

Prime Factor Structure

Factorization String 3 × 5^2 × 13 × 401

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 697,872

Proper Divisor Sum 306,897

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #390967 ← → #390989

1 3 5 13 15 25 39 65 75 195 325 401 975 1,203 2,005 5,213 6,015 10,025 15,639 26,065 30,075 78,195 130,325 390,975

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

390,975 1,172,926 586,463 1,759,390 879,695 2,639,086 1,319,543 3,958,630 1,979,315 5,937,946 2,968,973 8,906,920 4,453,460 2,226,730 1,113,365 3,340,096 1,670,048 835,024 417,512 208,756 104,378 52,189 156,568 78,284 39,142 19,571 58,714 29,357 88,072 44,036 22,018 11,009 33,028 16,514 8,257 24,772 12,386 6,193 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.