3 × 7 × 19489

Prime Factor Structure

Factorization String 3 × 7 × 19489

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 623,680

Proper Divisor Sum 214,411

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #409267 ← → #409271

1 3 7 21 19,489 58,467 136,423 409,269

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

409,269 1,227,808 613,904 306,952 153,476 76,738 38,369 115,108 57,554 28,777 86,332 43,166 21,583 64,750 32,375 97,126 48,563 145,690 72,845 218,536 109,268 54,634 27,317 81,952 40,976 20,488 10,244 5,122 2,561 7,684 3,842 1,921 5,764 2,882 1,441 4,324 2,162 1,081 3,244 1,622 811 2,434 1,217 3,652 1,826 913 2,740 1,370 685 2,056 1,028 514 257 772 386 193 580 290 145 436

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