2⁴ × 13² × 193

Prime Factor Structure

Factorization String 2^4 × 13^2 × 193

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 30

Divisor Sum (σ) 1,100,562

Proper Divisor Sum 578,690

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #521869 ← → #521879

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

521,872 260,936 130,468 65,234 32,617 97,852 48,926 24,463 73,390 36,695 110,086 55,043 165,130 82,565 247,696 123,848 61,924 30,962 15,481 46,444 23,222 11,611 34,834 17,417 52,252 26,126 13,063 39,190 19,595 58,786 29,393 88,180 44,090 22,045 66,136 33,068 16,534 8,267 24,802 12,401 37,204 18,602 9,301 27,904 13,952 6,976 3,488 1,744 872 436 218 109 328 164 82 41 124 62 31 94

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