13 × 19 × 8821

Prime Factor Structure

Factorization String 13 × 19 × 8821

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 2,470,160

Proper Divisor Sum 291,373

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #2178763 ← → #2178791

1 13 19 247 8,821 114,673 167,599 2,178,787

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

2,178,787 6,536,362 3,268,181 9,804,544 4,902,272 2,451,136 1,225,568 612,784 306,392 153,196 76,598 38,299 114,898 57,449 172,348 86,174 43,087 129,262 64,631 193,894 96,947 290,842 145,421 436,264 218,132 109,066 54,533 163,600 81,800 40,900 20,450 10,225 30,676 15,338 7,669 23,008 11,504 5,752 2,876 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911 2,734 1,367 4,102 2,051 6,154 3,077 9,232 4,616 2,308

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