13 × 31 × 109 × 257

Prime Factor Structure

Factorization String 13 × 31 × 109 × 257

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 12,714,240

Proper Divisor Sum 1,425,001

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #11289233 ← → #11289247

1 13 31 109 257 403 1,417 3,341 3,379 7,967 28,013 43,927 103,571 364,169 868,403 11,289,239

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

11,289,239 33,867,718 16,933,859 50,801,578 25,400,789 76,202,368 38,101,184 19,050,592 9,525,296 4,762,648 2,381,324 1,190,662 595,331 1,785,994 892,997 2,678,992 1,339,496 669,748 334,874 167,437 502,312 251,156 125,578 62,789 188,368 94,184 47,092 23,546 11,773 35,320 17,660 8,830 4,415 13,246 6,623 19,870 9,935 29,806 14,903 44,710 22,355 67,066 33,533 100,600 50,300 25,150 12,575 37,726 18,863 56,590 28,295 84,886 42,443 127,330 63,665 190,996 95,498 47,749 143,248 71,624

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