3 × 5 × 17 × 23 × 37

Prime Factor Structure

Factorization String 3 × 5 × 17 × 23 × 37

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 393,984

Proper Divisor Sum 176,979

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #217003 ← → #217027

1 3 5 15 17 23 37 51 69 85 111 115 185 255 345 391 555 629 851 1,173 1,887 1,955 2,553 3,145 4,255 5,865 9,435 12,765 14,467 43,401 72,335 217,005

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

217,005 651,016 325,508 162,754 81,377 244,132 122,066 61,033 183,100 91,550 45,775 137,326 68,663 205,990 102,995 308,986 154,493 463,480 231,740 115,870 57,935 173,806 86,903 260,710 130,355 391,066 195,533 586,600 293,300 146,650 73,325 219,976 109,988 54,994 27,497 82,492 41,246 20,623 61,870 30,935 92,806 46,403 139,210 69,605 208,816 104,408 52,204 26,102 13,051 39,154 19,577 58,732 29,366 14,683 44,050 22,025 66,076 33,038 16,519 49,558

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