3 × 7² × 19 × 43

Prime Factor Structure

Factorization String 3 × 7^2 × 19 × 43

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 200,640

Proper Divisor Sum 80,541

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #120097 ← → #120103

1 3 7 19 21 43 49 57 129 133 147 301 399 817 903 931 2,107 2,451 2,793 5,719 6,321 17,157 40,033 120,099

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

120,099 360,298 180,149 540,448 270,224 135,112 67,556 33,778 16,889 50,668 25,334 12,667 38,002 19,001 57,004 28,502 14,251 42,754 21,377 64,132 32,066 16,033 48,100 24,050 12,025 36,076 18,038 9,019 27,058 13,529 40,588 20,294 10,147 30,442 15,221 45,664 22,832 11,416 5,708 2,854 1,427 4,282 2,141 6,424 3,212 1,606 803 2,410 1,205 3,616 1,808 904 452 226 113 340 170 85 256 128

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