11 × 13 × 21997

Prime Factor Structure

Factorization String 11 × 13 × 21997

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 3,695,664

Proper Divisor Sum 550,093

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #3145559 ← → #3145573

1 11 13 143 21,997 241,967 285,961 3,145,571

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

3,145,571 9,436,714 4,718,357 14,155,072 7,077,536 3,538,768 1,769,384 884,692 442,346 221,173 663,520 331,760 165,880 82,940 41,470 20,735 62,206 31,103 93,310 46,655 139,966 69,983 209,950 104,975 314,926 157,463 472,390 236,195 708,586 354,293 1,062,880 531,440 265,720 132,860 66,430 33,215 99,646 49,823 149,470 74,735 224,206 112,103 336,310 168,155 504,466 252,233 756,700 378,350 189,175 567,526 283,763 851,290 425,645 1,276,936 638,468 319,234 159,617 478,852 239,426 119,713

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