3 × 7 × 17 × 197

Prime Factor Structure

Factorization String 3 × 7 × 17 × 197

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 114,048

Proper Divisor Sum 43,719

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #70327 ← → #70351

1 3 7 17 21 51 119 197 357 591 1,379 3,349 4,137 10,047 23,443 70,329

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

70,329 210,988 105,494 52,747 158,242 79,121 237,364 118,682 59,341 178,024 89,012 44,506 22,253 66,760 33,380 16,690 8,345 25,036 12,518 6,259 18,778 9,389 28,168 14,084 7,042 3,521 10,564 5,282 2,641 7,924 3,962 1,981 5,944 2,972 1,486 743 2,230 1,115 3,346 1,673 5,020 2,510 1,255 3,766 1,883 5,650 2,825 8,476 4,238 2,119 6,358 3,179 9,538 4,769 14,308 7,154 3,577 10,732 5,366 2,683

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