3 × 11 × 17 × 421

Prime Factor Structure

Factorization String 3 × 11 × 17 × 421

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 364,608

Proper Divisor Sum 128,427

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #236167 ← → #236207

1 3 11 17 33 51 187 421 561 1,263 4,631 7,157 13,893 21,471 78,727 236,181

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

236,181 708,544 354,272 177,136 88,568 44,284 22,142 11,071 33,214 16,607 49,822 24,911 74,734 37,367 112,102 56,051 168,154 84,077 252,232 126,116 63,058 31,529 94,588 47,294 23,647 70,942 35,471 106,414 53,207 159,622 79,811 239,434 119,717 359,152 179,576 89,788 44,894 22,447 67,342 33,671 101,014 50,507 151,522 75,761 227,284 113,642 56,821 170,464 85,232 42,616 21,308 10,654 5,327 15,982 7,991 23,974 11,987 35,962 17,981 53,944

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