3 × 13 × 17 × 617

Prime Factor Structure

Factorization String 3 × 13 × 17 × 617

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 622,944

Proper Divisor Sum 213,873

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #409069 ← → #409081

1 3 13 17 39 51 221 617 663 1,851 8,021 10,489 24,063 31,467 136,357 409,071

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

409,071 1,227,214 613,607 1,840,822 920,411 2,761,234 1,380,617 4,141,852 2,070,926 1,035,463 3,106,390 1,553,195 4,659,586 2,329,793 6,989,380 3,494,690 1,747,345 5,242,036 2,621,018 1,310,509 3,931,528 1,965,764 982,882 491,441 1,474,324 737,162 368,581 1,105,744 552,872 276,436 138,218 69,109 207,328 103,664 51,832 25,916 12,958 6,479 19,438 9,719 29,158 14,579 43,738 21,869 65,608 32,804 16,402 8,201 24,604 12,302 6,151 18,454 9,227 27,682 13,841 41,524 20,762 10,381 31,144 15,572

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