20,508

2² × 3 × 1709

Prime Factor Structure

Factorization String 2^2 × 3 × 1709

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Total Divisors 12

Divisor Sum (σ) 47,880

Proper Divisor Sum 27,372

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #20507 ← → #20509

1 2 3 4 6 12 1,709 3,418 5,127 6,836 10,254 20,508

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

20,508 10,254 5,127 15,382 7,691 23,074 11,537 34,612 17,306 8,653 25,960 12,980 6,490 3,245 9,736 4,868 2,434 1,217 3,652 1,826 913 2,740 1,370 685 2,056 1,028 514 257 772 386 193 580 290 145 436 218 109 328 164 82 41 124 62 31 94 47 142 71 214 107 322 161 484 242 121 364 182 91 274 137

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