3 × 213659

Prime Factor Structure

Factorization String 3 × 213659

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 854,640

Proper Divisor Sum 213,663

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #640973 ← → #640993

1 3 213,659 640,977

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

640,977 1,922,932 961,466 480,733 1,442,200 721,100 360,550 180,275 540,826 270,413 811,240 405,620 202,810 101,405 304,216 152,108 76,054 38,027 114,082 57,041 171,124 85,562 42,781 128,344 64,172 32,086 16,043 48,130 24,065 72,196 36,098 18,049 54,148 27,074 13,537 40,612 20,306 10,153 30,460 15,230 7,615 22,846 11,423 34,270 17,135 51,406 25,703 77,110 38,555 115,666 57,833 173,500 86,750 43,375 130,126 65,063 195,190 97,595 292,786 146,393

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