2 × 3² × 5 × 11 × 131

Prime Factor Structure

Factorization String 2 × 3^2 × 5 × 11 × 131

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 370,656

Proper Divisor Sum 240,966

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #129671 ← → #129707

1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 131 165 198 262 330 393 495 655 786 990 1,179 1,310 1,441 1,965 2,358 2,882 3,930 4,323 5,895 7,205 8,646 11,790 12,969 14,410 21,615 25,938 43,230 64,845 129,690

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

129,690 64,845 194,536 97,268 48,634 24,317 72,952 36,476 18,238 9,119 27,358 13,679 41,038 20,519 61,558 30,779 92,338 46,169 138,508 69,254 34,627 103,882 51,941 155,824 77,912 38,956 19,478 9,739 29,218 14,609 43,828 21,914 10,957 32,872 16,436 8,218 4,109 12,328 6,164 3,082 1,541 4,624 2,312 1,156 578 289 868 434 217 652 326 163 490 245 736 368 184 92 46 23

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