257 × 20149

Prime Factor Structure

Factorization String 257 × 20149

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 5,198,700

Proper Divisor Sum 20,407

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #5178193 ← → #5178301

1 257 20,149 5,178,293

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

5,178,293 15,534,880 7,767,440 3,883,720 1,941,860 970,930 485,465 1,456,396 728,198 364,099 1,092,298 546,149 1,638,448 819,224 409,612 204,806 102,403 307,210 153,605 460,816 230,408 115,204 57,602 28,801 86,404 43,202 21,601 64,804 32,402 16,201 48,604 24,302 12,151 36,454 18,227 54,682 27,341 82,024 41,012 20,506 10,253 30,760 15,380 7,690 3,845 11,536 5,768 2,884 1,442 721 2,164 1,082 541 1,624 812 406 203 610 305 916

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