3 × 7 × 8521

Prime Factor Structure

Factorization String 3 × 7 × 8521

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 272,704

Proper Divisor Sum 93,763

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #178939 ← → #178951

1 3 7 21 8,521 25,563 59,647 178,941

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

178,941 536,824 268,412 134,206 67,103 201,310 100,655 301,966 150,983 452,950 226,475 679,426 339,713 1,019,140 509,570 254,785 764,356 382,178 191,089 573,268 286,634 143,317 429,952 214,976 107,488 53,744 26,872 13,436 6,718 3,359 10,078 5,039 15,118 7,559 22,678 11,339 34,018 17,009 51,028 25,514 12,757 38,272 19,136 9,568 4,784 2,392 1,196 598 299 898 449 1,348 674 337 1,012 506 253 760 380 190

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