3 × 7 × 19 × 4813

Prime Factor Structure

Factorization String 3 × 7 × 19 × 4813

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,080,960

Proper Divisor Sum 1,160,573

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #1920383 ← → #1920397

1 3 7 19 21 57 133 399 4,813 14,439 33,691 91,447 101,073 274,341 640,129 1,920,387

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

1,920,387 5,761,162 2,880,581 8,641,744 4,320,872 2,160,436 1,080,218 540,109 1,620,328 810,164 405,082 202,541 607,624 303,812 151,906 75,953 227,860 113,930 56,965 170,896 85,448 42,724 21,362 10,681 32,044 16,022 8,011 24,034 12,017 36,052 18,026 9,013 27,040 13,520 6,760 3,380 1,690 845 2,536 1,268 634 317 952 476 238 119 358 179 538 269 808 404 202 101 304 152 76 38 19 58

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