19 × 131 × 1987

Prime Factor Structure

Factorization String 19 × 131 × 1987

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 5,248,320

Proper Divisor Sum 302,677

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #4945639 ← → #4945651

1 19 131 1,987 2,489 37,753 260,297 4,945,643

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

4,945,643 14,836,930 7,418,465 22,255,396 11,127,698 5,563,849 16,691,548 8,345,774 4,172,887 12,518,662 6,259,331 18,777,994 9,388,997 28,166,992 14,083,496 7,041,748 3,520,874 1,760,437 5,281,312 2,640,656 1,320,328 660,164 330,082 165,041 495,124 247,562 123,781 371,344 185,672 92,836 46,418 23,209 69,628 34,814 17,407 52,222 26,111 78,334 39,167 117,502 58,751 176,254 88,127 264,382 132,191 396,574 198,287 594,862 297,431 892,294 446,147 1,338,442 669,221 2,007,664 1,003,832 501,916 250,958 125,479 376,438 188,219

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