3 × 7 × 43 × 59 × 409

Prime Factor Structure

Factorization String 3 × 7 × 43 × 59 × 409

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 34,636,800

Proper Divisor Sum 12,846,507

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #21790291 ← → #21790309

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

21,790,293 65,370,880 32,685,440 16,342,720 8,171,360 4,085,680 2,042,840 1,021,420 510,710 255,355 766,066 383,033 1,149,100 574,550 287,275 861,826 430,913 1,292,740 646,370 323,185 969,556 484,778 242,389 727,168 363,584 181,792 90,896 45,448 22,724 11,362 5,681 17,044 8,522 4,261 12,784 6,392 3,196 1,598 799 2,398 1,199 3,598 1,799 5,398 2,699 8,098 4,049 12,148 6,074 3,037 9,112 4,556 2,278 1,139 3,418 1,709 5,128 2,564 1,282 641

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