3⁵ × 647

Prime Factor Structure

Factorization String 3^5 × 647

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 235,872

Proper Divisor Sum 78,651

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #157219 ← → #157229

1 3 9 27 81 243 647 1,941 5,823 17,469 52,407 157,221

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

157,221 471,664 235,832 117,916 58,958 29,479 88,438 44,219 132,658 66,329 198,988 99,494 49,747 149,242 74,621 223,864 111,932 55,966 27,983 83,950 41,975 125,926 62,963 188,890 94,445 283,336 141,668 70,834 35,417 106,252 53,126 26,563 79,690 39,845 119,536 59,768 29,884 14,942 7,471 22,414 11,207 33,622 16,811 50,434 25,217 75,652 37,826 18,913 56,740 28,370 14,185 42,556 21,278 10,639 31,918 15,959 47,878 23,939 71,818 35,909

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