3 × 13 × 131 × 419

Prime Factor Structure

Factorization String 3 × 13 × 131 × 419

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,104,640

Proper Divisor Sum 963,969

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #2140637 ← → #2140681

1 3 13 39 131 393 419 1,257 1,703 5,109 5,447 16,341 54,889 164,667 713,557 2,140,671

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

2,140,671 6,422,014 3,211,007 9,633,022 4,816,511 14,449,534 7,224,767 21,674,302 10,837,151 32,511,454 16,255,727 48,767,182 24,383,591 73,150,774 36,575,387 109,726,162 54,863,081 164,589,244 82,294,622 41,147,311 123,441,934 61,720,967 185,162,902 92,581,451 277,744,354 138,872,177 416,616,532 208,308,266 104,154,133 312,462,400 156,231,200 78,115,600 39,057,800 19,528,900 9,764,450 4,882,225 14,646,676 7,323,338 3,661,669 10,985,008 5,492,504 2,746,252 1,373,126 686,563 2,059,690 1,029,845 3,089,536 1,544,768 772,384 386,192 193,096 96,548 48,274 24,137 72,412 36,206 18,103 54,310 27,155 81,466

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