3 × 5 × 7 × 1621

Prime Factor Structure

Factorization String 3 × 5 × 7 × 1621

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 311,424

Proper Divisor Sum 141,219

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #170197 ← → #170207

1 3 5 7 15 21 35 105 1,621 4,863 8,105 11,347 24,315 34,041 56,735 170,205

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

170,205 510,616 255,308 127,654 63,827 191,482 95,741 287,224 143,612 71,806 35,903 107,710 53,855 161,566 80,783 242,350 121,175 363,526 181,763 545,290 272,645 817,936 408,968 204,484 102,242 51,121 153,364 76,682 38,341 115,024 57,512 28,756 14,378 7,189 21,568 10,784 5,392 2,696 1,348 674 337 1,012 506 253 760 380 190 95 286 143 430 215 646 323 970 485 1,456 728 364 182

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