7 × 13 × 31 × 18121

Prime Factor Structure

Factorization String 7 × 13 × 31 × 18121

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 64,949,248

Proper Divisor Sum 13,829,907

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #51119339 ← → #51119347

1 7 13 31 91 217 403 2,821 18,121 126,847 235,573 561,751 1,649,011 3,932,257 7,302,763 51,119,341

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

51,119,341 153,358,024 76,679,012 38,339,506 19,169,753 57,509,260 28,754,630 14,377,315 43,131,946 21,565,973 64,697,920 32,348,960 16,174,480 8,087,240 4,043,620 2,021,810 1,010,905 3,032,716 1,516,358 758,179 2,274,538 1,137,269 3,411,808 1,705,904 852,952 426,476 213,238 106,619 319,858 159,929 479,788 239,894 119,947 359,842 179,921 539,764 269,882 134,941 404,824 202,412 101,206 50,603 151,810 75,905 227,716 113,858 56,929 170,788 85,394 42,697 128,092 64,046 32,023 96,070 48,035 144,106 72,053 216,160 108,080 54,040

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