2 × 3² × 37 × 197

Prime Factor Structure

Factorization String 2 × 3^2 × 37 × 197

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 293,436

Proper Divisor Sum 162,234

Digit Sum / Digital Root 9 (Root: 9)

Adjacent Primes #131171 ← → #131203

1 2 3 6 9 18 37 74 111 197 222 333 394 591 666 1,182 1,773 3,546 7,289 14,578 21,867 43,734 65,601 131,202

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

131,202 65,601 196,804 98,402 49,201 147,604 73,802 36,901 110,704 55,352 27,676 13,838 6,919 20,758 10,379 31,138 15,569 46,708 23,354 11,677 35,032 17,516 8,758 4,379 13,138 6,569 19,708 9,854 4,927 14,782 7,391 22,174 11,087 33,262 16,631 49,894 24,947 74,842 37,421 112,264 56,132 28,066 14,033 42,100 21,050 10,525 31,576 15,788 7,894 3,947 11,842 5,921 17,764 8,882 4,441 13,324 6,662 3,331 9,994 4,997

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