3 × 5 × 13 × 131

Prime Factor Structure

Factorization String 3 × 5 × 13 × 131

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 44,352

Proper Divisor Sum 18,807

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #25541 ← → #25561

1 3 5 13 15 39 65 131 195 393 655 1,703 1,965 5,109 8,515 25,545

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

25,545 76,636 38,318 19,159 57,478 28,739 86,218 43,109 129,328 64,664 32,332 16,166 8,083 24,250 12,125 36,376 18,188 9,094 4,547 13,642 6,821 20,464 10,232 5,116 2,558 1,279 3,838 1,919 5,758 2,879 8,638 4,319 12,958 6,479 19,438 9,719 29,158 14,579 43,738 21,869 65,608 32,804 16,402 8,201 24,604 12,302 6,151 18,454 9,227 27,682 13,841 41,524 20,762 10,381 31,144 15,572 7,786 3,893 11,680 5,840

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