13 × 19 × 8663

Prime Factor Structure

Factorization String 13 × 19 × 8663

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 2,425,920

Proper Divisor Sum 286,159

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #2139757 ← → #2139811

1 13 19 247 8,663 112,619 164,597 2,139,761

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

2,139,761 6,419,284 3,209,642 1,604,821 4,814,464 2,407,232 1,203,616 601,808 300,904 150,452 75,226 37,613 112,840 56,420 28,210 14,105 42,316 21,158 10,579 31,738 15,869 47,608 23,804 11,902 5,951 17,854 8,927 26,782 13,391 40,174 20,087 60,262 30,131 90,394 45,197 135,592 67,796 33,898 16,949 50,848 25,424 12,712 6,356 3,178 1,589 4,768 2,384 1,192 596 298 149 448 224 112 56 28 14 7 22 11

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