3 × 5 × 13 × 1571

Prime Factor Structure

Factorization String 3 × 5 × 13 × 1571

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 528,192

Proper Divisor Sum 221,847

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #306331 ← → #306347

1 3 5 13 15 39 65 195 1,571 4,713 7,855 20,423 23,565 61,269 102,115 306,345

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

306,345 919,036 459,518 229,759 689,278 344,639 1,033,918 516,959 1,550,878 775,439 2,326,318 1,163,159 3,489,478 1,744,739 5,234,218 2,617,109 7,851,328 3,925,664 1,962,832 981,416 490,708 245,354 122,677 368,032 184,016 92,008 46,004 23,002 11,501 34,504 17,252 8,626 4,313 12,940 6,470 3,235 9,706 4,853 14,560 7,280 3,640 1,820 910 455 1,366 683 2,050 1,025 3,076 1,538 769 2,308 1,154 577 1,732 866 433 1,300 650 325

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