3 × 7 × 19 × 4783

Prime Factor Structure

Factorization String 3 × 7 × 19 × 4783

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,061,760

Proper Divisor Sum 1,153,343

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #1908407 ← → #1908421

1 3 7 19 21 57 133 399 4,783 14,349 33,481 90,877 100,443 272,631 636,139 1,908,417

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

1,908,417 5,725,252 2,862,626 1,431,313 4,293,940 2,146,970 1,073,485 3,220,456 1,610,228 805,114 402,557 1,207,672 603,836 301,918 150,959 452,878 226,439 679,318 339,659 1,018,978 509,489 1,528,468 764,234 382,117 1,146,352 573,176 286,588 143,294 71,647 214,942 107,471 322,414 161,207 483,622 241,811 725,434 362,717 1,088,152 544,076 272,038 136,019 408,058 204,029 612,088 306,044 153,022 76,511 229,534 114,767 344,302 172,151 516,454 258,227 774,682 387,341 1,162,024 581,012 290,506 145,253 435,760

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