3 × 7 × 19 × 1223

Prime Factor Structure

Factorization String 3 × 7 × 19 × 1223

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 783,360

Proper Divisor Sum 295,383

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #487973 ← → #487979

1 3 7 19 21 57 133 399 1,223 3,669 8,561 23,237 25,683 69,711 162,659 487,977

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

487,977 1,463,932 731,966 365,983 1,097,950 548,975 1,646,926 823,463 2,470,390 1,235,195 3,705,586 1,852,793 5,558,380 2,779,190 1,389,595 4,168,786 2,084,393 6,253,180 3,126,590 1,563,295 4,689,886 2,344,943 7,034,830 3,517,415 10,552,246 5,276,123 15,828,370 7,914,185 23,742,556 11,871,278 5,935,639 17,806,918 8,903,459 26,710,378 13,355,189 40,065,568 20,032,784 10,016,392 5,008,196 2,504,098 1,252,049 3,756,148 1,878,074 939,037 2,817,112 1,408,556 704,278 352,139 1,056,418 528,209 1,584,628 792,314 396,157 1,188,472 594,236 297,118 148,559 445,678 222,839 668,518

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