7 × 199 × 15359

Prime Factor Structure

Factorization String 7 × 199 × 15359

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 24,576,000

Proper Divisor Sum 3,180,913

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #21395063 ← → #21395089

1 7 199 1,393 15,359 107,513 3,056,441 21,395,087

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

21,395,087 64,185,262 32,092,631 96,277,894 48,138,947 144,416,842 72,208,421 216,625,264 108,312,632 54,156,316 27,078,158 13,539,079 40,617,238 20,308,619 60,925,858 30,462,929 91,388,788 45,694,394 22,847,197 68,541,592 34,270,796 17,135,398 8,567,699 25,703,098 12,851,549 38,554,648 19,277,324 9,638,662 4,819,331 14,457,994 7,228,997 21,686,992 10,843,496 5,421,748 2,710,874 1,355,437 4,066,312 2,033,156 1,016,578 508,289 1,524,868 762,434 381,217 1,143,652 571,826 285,913 857,740 428,870 214,435 643,306 321,653 964,960 482,480 241,240 120,620 60,310 30,155 90,466 45,233 135,700

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