19 × 23 × 61 × 109

Prime Factor Structure

Factorization String 19 × 23 × 61 × 109

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,273,600

Proper Divisor Sum 367,987

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #2905607 ← → #2905621

1 19 23 61 109 437 1,159 1,403 2,071 2,507 6,649 26,657 47,633 126,331 152,927 2,905,613

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

2,905,613 8,716,840 4,358,420 2,179,210 1,089,605 3,268,816 1,634,408 817,204 408,602 204,301 612,904 306,452 153,226 76,613 229,840 114,920 57,460 28,730 14,365 43,096 21,548 10,774 5,387 16,162 8,081 24,244 12,122 6,061 18,184 9,092 4,546 2,273 6,820 3,410 1,705 5,116 2,558 1,279 3,838 1,919 5,758 2,879 8,638 4,319 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

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