13² × 17² × 359

Prime Factor Structure

Factorization String 13^2 × 17^2 × 359

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 20,225,160

Proper Divisor Sum 2,691,241

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #17533913 ← → #17533921

1 13 17 169 221 289 359 2,873 3,757 4,667 6,103 48,841 60,671 79,339 103,751 1,031,407 1,348,763 17,533,919

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

17,533,919 52,601,758 26,300,879 78,902,638 39,451,319 118,353,958 59,176,979 177,530,938 88,765,469 266,296,408 133,148,204 66,574,102 33,287,051 99,861,154 49,930,577 149,791,732 74,895,866 37,447,933 112,343,800 56,171,900 28,085,950 14,042,975 42,128,926 21,064,463 63,193,390 31,596,695 94,790,086 47,395,043 142,185,130 71,092,565 213,277,696 106,638,848 53,319,424 26,659,712 13,329,856 6,664,928 3,332,464 1,666,232 833,116 416,558 208,279 624,838 312,419 937,258 468,629 1,405,888 702,944 351,472 175,736 87,868 43,934 21,967 65,902 32,951 98,854 49,427 148,282 74,141 222,424 111,212

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