3 × 19 × 23 × 509

Prime Factor Structure

Factorization String 3 × 19 × 23 × 509

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 979,200

Proper Divisor Sum 311,901

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #667283 ← → #667309

1 3 19 23 57 69 437 509 1,311 1,527 9,671 11,707 29,013 35,121 222,433 667,299

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

667,299 2,001,898 1,000,949 3,002,848 1,501,424 750,712 375,356 187,678 93,839 281,518 140,759 422,278 211,139 633,418 316,709 950,128 475,064 237,532 118,766 59,383 178,150 89,075 267,226 133,613 400,840 200,420 100,210 50,105 150,316 75,158 37,579 112,738 56,369 169,108 84,554 42,277 126,832 63,416 31,708 15,854 7,927 23,782 11,891 35,674 17,837 53,512 26,756 13,378 6,689 20,068 10,034 5,017 15,052 7,526 3,763 11,290 5,645 16,936 8,468 4,234

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