31 × 19937

Prime Factor Structure

Factorization String 31 × 19937

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 638,016

Proper Divisor Sum 19,969

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #618041 ← → #618049

1 31 19,937 618,047

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

618,047 1,854,142 927,071 2,781,214 1,390,607 4,171,822 2,085,911 6,257,734 3,128,867 9,386,602 4,693,301 14,079,904 7,039,952 3,519,976 1,759,988 879,994 439,997 1,319,992 659,996 329,998 164,999 494,998 247,499 742,498 371,249 1,113,748 556,874 278,437 835,312 417,656 208,828 104,414 52,207 156,622 78,311 234,934 117,467 352,402 176,201 528,604 264,302 132,151 396,454 198,227 594,682 297,341 892,024 446,012 223,006 111,503 334,510 167,255 501,766 250,883 752,650 376,325 1,128,976 564,488 282,244 141,122

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