7 × 13 × 1999

Prime Factor Structure

Factorization String 7 × 13 × 1999

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 224,000

Proper Divisor Sum 42,091

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #181903 ← → #181913

1 7 13 91 1,999 13,993 25,987 181,909

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

181,909 545,728 272,864 136,432 68,216 34,108 17,054 8,527 25,582 12,791 38,374 19,187 57,562 28,781 86,344 43,172 21,586 10,793 32,380 16,190 8,095 24,286 12,143 36,430 18,215 54,646 27,323 81,970 40,985 122,956 61,478 30,739 92,218 46,109 138,328 69,164 34,582 17,291 51,874 25,937 77,812 38,906 19,453 58,360 29,180 14,590 7,295 21,886 10,943 32,830 16,415 49,246 24,623 73,870 36,935 110,806 55,403 166,210 83,105 249,316

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