2⁴ × 13 × 17 × 19 × 317

Prime Factor Structure

Factorization String 2^4 × 13 × 17 × 19 × 317

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 80

Divisor Sum (σ) 49,684,320

Proper Divisor Sum 28,386,992

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #21297319 ← → #21297329

1 2 4 8 13 16 17 19 26 34 38 52 68 76 104 136 152 208 221 247 272 304 317 323 442 494 634 646 884 988 1,268 1,292 1,768 1,976 2,536 2,584 3,536 3,952 4,121 4,199 5,072 5,168 5,389 6,023 8,242 8,398 10,778 12,046 16,484 16,796 21,556 24,092 32,968 33,592 43,112 48,184 65,936 67,184 70,057 78,299

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

21,297,328 10,648,664 5,324,332 2,662,166 1,331,083 3,993,250 1,996,625 5,989,876 2,994,938 1,497,469 4,492,408 2,246,204 1,123,102 561,551 1,684,654 842,327 2,526,982 1,263,491 3,790,474 1,895,237 5,685,712 2,842,856 1,421,428 710,714 355,357 1,066,072 533,036 266,518 133,259 399,778 199,889 599,668 299,834 149,917 449,752 224,876 112,438 56,219 168,658 84,329 252,988 126,494 63,247 189,742 94,871 284,614 142,307 426,922 213,461 640,384 320,192 160,096 80,048 40,024 20,012 10,006 5,003 15,010 7,505 22,516

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