3 × 13 × 23 × 173

Prime Factor Structure

Factorization String 3 × 13 × 23 × 173

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 233,856

Proper Divisor Sum 78,675

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #155171 ← → #155191

1 3 13 23 39 69 173 299 519 897 2,249 3,979 6,747 11,937 51,727 155,181

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

155,181 465,544 232,772 116,386 58,193 174,580 87,290 43,645 130,936 65,468 32,734 16,367 49,102 24,551 73,654 36,827 110,482 55,241 165,724 82,862 41,431 124,294 62,147 186,442 93,221 279,664 139,832 69,916 34,958 17,479 52,438 26,219 78,658 39,329 117,988 58,994 29,497 88,492 44,246 22,123 66,370 33,185 99,556 49,778 24,889 74,668 37,334 18,667 56,002 28,001 84,004 42,002 21,001 63,004 31,502 15,751 47,254 23,627 70,882 35,441

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