13 × 53 × 131 × 193

Prime Factor Structure

Factorization String 13 × 53 × 131 × 193

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 19,359,648

Proper Divisor Sum 1,939,661

Digit Sum / Digital Root 46 (Root: 1)

Adjacent Primes #17419943 ← → #17419999

1 13 53 131 193 689 1,703 2,509 6,943 10,229 25,283 90,259 132,977 328,679 1,339,999 17,419,987

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

17,419,987 52,259,962 26,129,981 78,389,944 39,194,972 19,597,486 9,798,743 29,396,230 14,698,115 44,094,346 22,047,173 66,141,520 33,070,760 16,535,380 8,267,690 4,133,845 12,401,536 6,200,768 3,100,384 1,550,192 775,096 387,548 193,774 96,887 290,662 145,331 435,994 217,997 653,992 326,996 163,498 81,749 245,248 122,624 61,312 30,656 15,328 7,664 3,832 1,916 958 479 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

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