3 × 7² × 43 × 3413

Prime Factor Structure

Factorization String 3 × 7^2 × 43 × 3413

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 34,249,248

Proper Divisor Sum 12,675,675

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #21573547 ← → #21573583

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

21,573,573 64,720,720 32,360,360 16,180,180 8,090,090 4,045,045 12,135,136 6,067,568 3,033,784 1,516,892 758,446 379,223 1,137,670 568,835 1,706,506 853,253 2,559,760 1,279,880 639,940 319,970 159,985 479,956 239,978 119,989 359,968 179,984 89,992 44,996 22,498 11,249 33,748 16,874 8,437 25,312 12,656 6,328 3,164 1,582 791 2,374 1,187 3,562 1,781 5,344 2,672 1,336 668 334 167 502 251 754 377 1,132 566 283 850 425 1,276 638

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