3 × 7² × 131

Prime Factor Structure

Factorization String 3 × 7^2 × 131

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 30,096

Proper Divisor Sum 10,839

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #19249 ← → #19259

1 3 7 21 49 131 147 393 917 2,751 6,419 19,257

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

19,257 57,772 28,886 14,443 43,330 21,665 64,996 32,498 16,249 48,748 24,374 12,187 36,562 18,281 54,844 27,422 13,711 41,134 20,567 61,702 30,851 92,554 46,277 138,832 69,416 34,708 17,354 8,677 26,032 13,016 6,508 3,254 1,627 4,882 2,441 7,324 3,662 1,831 5,494 2,747 8,242 4,121 12,364 6,182 3,091 9,274 4,637 13,912 6,956 3,478 1,739 5,218 2,609 7,828 3,914 1,957 5,872 2,936 1,468 734

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