3 × 11² × 13 × 137

Prime Factor Structure

Factorization String 3 × 11^2 × 13 × 137

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,027,824

Proper Divisor Sum 381,321

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #646453 ← → #646519

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

646,503 1,939,510 969,755 2,909,266 1,454,633 4,363,900 2,181,950 1,090,975 3,272,926 1,636,463 4,909,390 2,454,695 7,364,086 3,682,043 11,046,130 5,523,065 16,569,196 8,284,598 4,142,299 12,426,898 6,213,449 18,640,348 9,320,174 4,660,087 13,980,262 6,990,131 20,970,394 10,485,197 31,455,592 15,727,796 7,863,898 3,931,949 11,795,848 5,897,924 2,948,962 1,474,481 4,423,444 2,211,722 1,105,861 3,317,584 1,658,792 829,396 414,698 207,349 622,048 311,024 155,512 77,756 38,878 19,439 58,318 29,159 87,478 43,739 131,218 65,609 196,828 98,414 49,207 147,622

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