3 × 7 × 17 × 419

Prime Factor Structure

Factorization String 3 × 7 × 17 × 419

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 241,920

Proper Divisor Sum 92,337

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #149579 ← → #149603

1 3 7 17 21 51 119 357 419 1,257 2,933 7,123 8,799 21,369 49,861 149,583

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

149,583 448,750 224,375 673,126 336,563 1,009,690 504,845 1,514,536 757,268 378,634 189,317 567,952 283,976 141,988 70,994 35,497 106,492 53,246 26,623 79,870 39,935 119,806 59,903 179,710 89,855 269,566 134,783 404,350 202,175 606,526 303,263 909,790 454,895 1,364,686 682,343 2,047,030 1,023,515 3,070,546 1,535,273 4,605,820 2,302,910 1,151,455 3,454,366 1,727,183 5,181,550 2,590,775 7,772,326 3,886,163 11,658,490 5,829,245 17,487,736 8,743,868 4,371,934 2,185,967 6,557,902 3,278,951 9,836,854 4,918,427 14,755,282 7,377,641

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