3 × 17 × 12721

Prime Factor Structure

Factorization String 3 × 17 × 12721

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 915,984

Proper Divisor Sum 267,213

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #648763 ← → #648779

1 3 17 51 12,721 38,163 216,257 648,771

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

648,771 1,946,314 973,157 2,919,472 1,459,736 729,868 364,934 182,467 547,402 273,701 821,104 410,552 205,276 102,638 51,319 153,958 76,979 230,938 115,469 346,408 173,204 86,602 43,301 129,904 64,952 32,476 16,238 8,119 24,358 12,179 36,538 18,269 54,808 27,404 13,702 6,851 20,554 10,277 30,832 15,416 7,708 3,854 1,927 5,782 2,891 8,674 4,337 13,012 6,506 3,253 9,760 4,880 2,440 1,220 610 305 916 458 229 688

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