3² × 7 × 43 × 73

Prime Factor Structure

Factorization String 3^2 × 7 × 43 × 73

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 338,624

Proper Divisor Sum 140,867

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #197753 ← → #197759

1 3 7 9 21 43 63 73 129 219 301 387 511 657 903 1,533 2,709 3,139 4,599 9,417 21,973 28,251 65,919 197,757

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

197,757 593,272 296,636 148,318 74,159 222,478 111,239 333,718 166,859 500,578 250,289 750,868 375,434 187,717 563,152 281,576 140,788 70,394 35,197 105,592 52,796 26,398 13,199 39,598 19,799 59,398 29,699 89,098 44,549 133,648 66,824 33,412 16,706 8,353 25,060 12,530 6,265 18,796 9,398 4,699 14,098 7,049 21,148 10,574 5,287 15,862 7,931 23,794 11,897 35,692 17,846 8,923 26,770 13,385 40,156 20,078 10,039 30,118 15,059 45,178

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