3 × 17 × 83 × 163

Prime Factor Structure

Factorization String 3 × 17 × 83 × 163

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 991,872

Proper Divisor Sum 301,893

Digit Sum / Digital Root 48 (Root: 3)

Adjacent Primes #689963 ← → #689981

1 3 17 51 83 163 249 489 1,411 2,771 4,233 8,313 13,529 40,587 229,993 689,979

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

689,979 2,069,938 1,034,969 3,104,908 1,552,454 776,227 2,328,682 1,164,341 3,493,024 1,746,512 873,256 436,628 218,314 109,157 327,472 163,736 81,868 40,934 20,467 61,402 30,701 92,104 46,052 23,026 11,513 34,540 17,270 8,635 25,906 12,953 38,860 19,430 9,715 29,146 14,573 43,720 21,860 10,930 5,465 16,396 8,198 4,099 12,298 6,149 18,448 9,224 4,612 2,306 1,153 3,460 1,730 865 2,596 1,298 649 1,948 974 487 1,462 731

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