13 × 17 × 1621

Prime Factor Structure

Factorization String 13 × 17 × 1621

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 408,744

Proper Divisor Sum 50,503

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #358229 ← → #358243

1 13 17 221 1,621 21,073 27,557 358,241

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

358,241 1,074,724 537,362 268,681 806,044 403,022 201,511 604,534 302,267 906,802 453,401 1,360,204 680,102 340,051 1,020,154 510,077 1,530,232 765,116 382,558 191,279 573,838 286,919 860,758 430,379 1,291,138 645,569 1,936,708 968,354 484,177 1,452,532 726,266 363,133 1,089,400 544,700 272,350 136,175 408,526 204,263 612,790 306,395 919,186 459,593 1,378,780 689,390 344,695 1,034,086 517,043 1,551,130 775,565 2,326,696 1,163,348 581,674 290,837 872,512 436,256 218,128 109,064 54,532 27,266 13,633

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