7 × 13 × 137 × 1607

Prime Factor Structure

Factorization String 7 × 13 × 137 × 1607

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 24,853,248

Proper Divisor Sum 4,818,779

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #20034451 ← → #20034491

1 7 13 91 137 959 1,607 1,781 11,249 12,467 20,891 146,237 220,159 1,541,113 2,862,067 20,034,469

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

20,034,469 60,103,408 30,051,704 15,025,852 7,512,926 3,756,463 11,269,390 5,634,695 16,904,086 8,452,043 25,356,130 12,678,065 38,034,196 19,017,098 9,508,549 28,525,648 14,262,824 7,131,412 3,565,706 1,782,853 5,348,560 2,674,280 1,337,140 668,570 334,285 1,002,856 501,428 250,714 125,357 376,072 188,036 94,018 47,009 141,028 70,514 35,257 105,772 52,886 26,443 79,330 39,665 118,996 59,498 29,749 89,248 44,624 22,312 11,156 5,578 2,789 8,368 4,184 2,092 1,046 523 1,570 785 2,356 1,178 589

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