3 × 5² × 41 × 131

Prime Factor Structure

Factorization String 3 × 5^2 × 41 × 131

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 687,456

Proper Divisor Sum 284,631

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #402823 ← → #402847

1 3 5 15 25 41 75 123 131 205 393 615 655 1,025 1,965 3,075 3,275 5,371 9,825 16,113 26,855 80,565 134,275 402,825

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

402,825 1,208,476 604,238 302,119 906,358 453,179 1,359,538 679,769 2,039,308 1,019,654 509,827 1,529,482 764,741 2,294,224 1,147,112 573,556 286,778 143,389 430,168 215,084 107,542 53,771 161,314 80,657 241,972 120,986 60,493 181,480 90,740 45,370 22,685 68,056 34,028 17,014 8,507 25,522 12,761 38,284 19,142 9,571 28,714 14,357 43,072 21,536 10,768 5,384 2,692 1,346 673 2,020 1,010 505 1,516 758 379 1,138 569 1,708 854 427

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