11² × 13 × 139

Prime Factor Structure

Factorization String 11^2 × 13 × 139

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 260,680

Proper Divisor Sum 42,033

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #218641 ← → #218651

1 11 13 121 139 143 1,529 1,573 1,807 16,819 19,877 218,647

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

218,647 655,942 327,971 983,914 491,957 1,475,872 737,936 368,968 184,484 92,242 46,121 138,364 69,182 34,591 103,774 51,887 155,662 77,831 233,494 116,747 350,242 175,121 525,364 262,682 131,341 394,024 197,012 98,506 49,253 147,760 73,880 36,940 18,470 9,235 27,706 13,853 41,560 20,780 10,390 5,195 15,586 7,793 23,380 11,690 5,845 17,536 8,768 4,384 2,192 1,096 548 274 137 412 206 103 310 155 466 233

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