2 × 3² × 13 × 53²

Prime Factor Structure

Factorization String 2 × 3^2 × 13 × 53^2

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 1,563,198

Proper Divisor Sum 905,892

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #657299 ← → #657311

1 2 3 6 9 13 18 26 39 53 78 106 117 159 234 318 477 689 954 1,378 2,067 2,809 4,134 5,618 6,201 8,427 12,402 16,854 25,281 36,517 50,562 73,034 109,551 219,102 328,653 657,306

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

657,306 328,653 985,960 492,980 246,490 123,245 369,736 184,868 92,434 46,217 138,652 69,326 34,663 103,990 51,995 155,986 77,993 233,980 116,990 58,495 175,486 87,743 263,230 131,615 394,846 197,423 592,270 296,135 888,406 444,203 1,332,610 666,305 1,998,916 999,458 499,729 1,499,188 749,594 374,797 1,124,392 562,196 281,098 140,549 421,648 210,824 105,412 52,706 26,353 79,060 39,530 19,765 59,296 29,648 14,824 7,412 3,706 1,853 5,560 2,780 1,390 695

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