31 × 20929

Prime Factor Structure

Factorization String 31 × 20929

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 669,760

Proper Divisor Sum 20,961

Digit Sum / Digital Root 43 (Root: 7)

Adjacent Primes #648779 ← → #648803

1 31 20,929 648,799

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

648,799 1,946,398 973,199 2,919,598 1,459,799 4,379,398 2,189,699 6,569,098 3,284,549 9,853,648 4,926,824 2,463,412 1,231,706 615,853 1,847,560 923,780 461,890 230,945 692,836 346,418 173,209 519,628 259,814 129,907 389,722 194,861 584,584 292,292 146,146 73,073 219,220 109,610 54,805 164,416 82,208 41,104 20,552 10,276 5,138 2,569 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.