3³ × 13 × 257

Prime Factor Structure

Factorization String 3^3 × 13 × 257

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 144,480

Proper Divisor Sum 54,273

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #90203 ← → #90217

1 3 9 13 27 39 117 257 351 771 2,313 3,341 6,939 10,023 30,069 90,207

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

90,207 270,622 135,311 405,934 202,967 608,902 304,451 913,354 456,677 1,370,032 685,016 342,508 171,254 85,627 256,882 128,441 385,324 192,662 96,331 288,994 144,497 433,492 216,746 108,373 325,120 162,560 81,280 40,640 20,320 10,160 5,080 2,540 1,270 635 1,906 953 2,860 1,430 715 2,146 1,073 3,220 1,610 805 2,416 1,208 604 302 151 454 227 682 341 1,024 512 256 128 64 32 16

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