31 × 53 × 131

Prime Factor Structure

Factorization String 31 × 53 × 131

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 228,096

Proper Divisor Sum 12,863

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #215197 ← → #215239

1 31 53 131 1,643 4,061 6,943 215,233

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

215,233 645,700 322,850 161,425 484,276 242,138 121,069 363,208 181,604 90,802 45,401 136,204 68,102 34,051 102,154 51,077 153,232 76,616 38,308 19,154 9,577 28,732 14,366 7,183 21,550 10,775 32,326 16,163 48,490 24,245 72,736 36,368 18,184 9,092 4,546 2,273 6,820 3,410 1,705 5,116 2,558 1,279 3,838 1,919 5,758 2,879 8,638 4,319 12,958 6,479 19,438 9,719 29,158 14,579 43,738 21,869 65,608 32,804 16,402 8,201

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