7 × 13 × 1997

Prime Factor Structure

Factorization String 7 × 13 × 1997

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 223,776

Proper Divisor Sum 42,049

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #181721 ← → #181729

1 7 13 91 1,997 13,979 25,961 181,727

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

181,727 545,182 272,591 817,774 408,887 1,226,662 613,331 1,839,994 919,997 2,759,992 1,379,996 689,998 344,999 1,034,998 517,499 1,552,498 776,249 2,328,748 1,164,374 582,187 1,746,562 873,281 2,619,844 1,309,922 654,961 1,964,884 982,442 491,221 1,473,664 736,832 368,416 184,208 92,104 46,052 23,026 11,513 34,540 17,270 8,635 25,906 12,953 38,860 19,430 9,715 29,146 14,573 43,720 21,860 10,930 5,465 16,396 8,198 4,099 12,298 6,149 18,448 9,224 4,612 2,306 1,153

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