13 × 1549

Prime Factor Structure

Factorization String 13 × 1549

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 21,700

Proper Divisor Sum 1,563

Digit Sum / Digital Root 13 (Root: 4)

Adjacent Primes #20129 ← → #20143

1 13 1,549 20,137

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

20,137 60,412 30,206 15,103 45,310 22,655 67,966 33,983 101,950 50,975 152,926 76,463 229,390 114,695 344,086 172,043 516,130 258,065 774,196 387,098 193,549 580,648 290,324 145,162 72,581 217,744 108,872 54,436 27,218 13,609 40,828 20,414 10,207 30,622 15,311 45,934 22,967 68,902 34,451 103,354 51,677 155,032 77,516 38,758 19,379 58,138 29,069 87,208 43,604 21,802 10,901 32,704 16,352 8,176 4,088 2,044 1,022 511 1,534 767

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