3² × 13 × 179

Prime Factor Structure

Factorization String 3^2 × 13 × 179

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 32,760

Proper Divisor Sum 11,817

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #20939 ← → #20947

1 3 9 13 39 117 179 537 1,611 2,327 6,981 20,943

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

20,943 62,830 31,415 94,246 47,123 141,370 70,685 212,056 106,028 53,014 26,507 79,522 39,761 119,284 59,642 29,821 89,464 44,732 22,366 11,183 33,550 16,775 50,326 25,163 75,490 37,745 113,236 56,618 28,309 84,928 42,464 21,232 10,616 5,308 2,654 1,327 3,982 1,991 5,974 2,987 8,962 4,481 13,444 6,722 3,361 10,084 5,042 2,521 7,564 3,782 1,891 5,674 2,837 8,512 4,256 2,128 1,064 532 266 133

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