2³ × 3⁴ × 13² × 181

Prime Factor Structure

Factorization String 2^3 × 3^4 × 13^2 × 181

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 120

Divisor Sum (σ) 60,450,390

Proper Divisor Sum 40,628,718

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #19821661 ← → #19821673

1 2 3 4 6 8 9 12 13 18 24 26 27 36 39 52 54 72 78 81 104 108 117 156 162 169 181 216 234 312 324 338 351 362 468 507 543 648 676 702 724 936 1,014 1,053 1,086 1,352 1,404 1,448 1,521 1,629 2,028 2,106 2,172 2,353 2,808 3,042 3,258 4,056 4,212 4,344

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

19,821,672 9,910,836 4,955,418 2,477,709 7,433,128 3,716,564 1,858,282 929,141 2,787,424 1,393,712 696,856 348,428 174,214 87,107 261,322 130,661 391,984 195,992 97,996 48,998 24,499 73,498 36,749 110,248 55,124 27,562 13,781 41,344 20,672 10,336 5,168 2,584 1,292 646 323 970 485 1,456 728 364 182 91 274 137 412 206 103 310 155 466 233 700 350 175 526 263 790 395 1,186 593

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