3 × 5² × 7² × 17 × 41

Prime Factor Structure

Factorization String 3 × 5^2 × 7^2 × 17 × 41

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 72

Divisor Sum (σ) 5,343,408

Proper Divisor Sum 2,781,933

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #2561431 ← → #2561491

1 3 5 7 15 17 21 25 35 41 49 51 75 85 105 119 123 147 175 205 245 255 287 357 425 525 595 615 697 735 833 861 1,025 1,225 1,275 1,435 1,785 2,009 2,091 2,499 2,975 3,075 3,485 3,675 4,165 4,305 4,879 6,027 7,175 8,925 10,045 10,455 12,495 14,637 17,425 20,825 21,525 24,395 30,135 34,153

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

2,561,475 7,684,426 3,842,213 11,526,640 5,763,320 2,881,660 1,440,830 720,415 2,161,246 1,080,623 3,241,870 1,620,935 4,862,806 2,431,403 7,294,210 3,647,105 10,941,316 5,470,658 2,735,329 8,205,988 4,102,994 2,051,497 6,154,492 3,077,246 1,538,623 4,615,870 2,307,935 6,923,806 3,461,903 10,385,710 5,192,855 15,578,566 7,789,283 23,367,850 11,683,925 35,051,776 17,525,888 8,762,944 4,381,472 2,190,736 1,095,368 547,684 273,842 136,921 410,764 205,382 102,691 308,074 154,037 462,112 231,056 115,528 57,764 28,882 14,441 43,324 21,662 10,831 32,494 16,247

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