3² × 5² × 7 × 19 × 131

Prime Factor Structure

Factorization String 3^2 × 5^2 × 7 × 19 × 131

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 72

Divisor Sum (σ) 8,511,360

Proper Divisor Sum 4,591,185

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #3920153 ← → #3920177

1 3 5 7 9 15 19 21 25 35 45 57 63 75 95 105 131 133 171 175 225 285 315 393 399 475 525 655 665 855 917 1,179 1,197 1,425 1,575 1,965 1,995 2,489 2,751 3,275 3,325 4,275 4,585 5,895 5,985 7,467 8,253 9,825 9,975 12,445 13,755 17,423 22,401 22,925 29,475 29,925 37,335 41,265 52,269 62,225

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

3,920,175 11,760,526 5,880,263 17,640,790 8,820,395 26,461,186 13,230,593 39,691,780 19,845,890 9,922,945 29,768,836 14,884,418 7,442,209 22,326,628 11,163,314 5,581,657 16,744,972 8,372,486 4,186,243 12,558,730 6,279,365 18,838,096 9,419,048 4,709,524 2,354,762 1,177,381 3,532,144 1,766,072 883,036 441,518 220,759 662,278 331,139 993,418 496,709 1,490,128 745,064 372,532 186,266 93,133 279,400 139,700 69,850 34,925 104,776 52,388 26,194 13,097 39,292 19,646 9,823 29,470 14,735 44,206 22,103 66,310 33,155 99,466 49,733 149,200

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