2 × 3² × 7129

Prime Factor Structure

Factorization String 2 × 3^2 × 7129

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 278,070

Proper Divisor Sum 149,748

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #128321 ← → #128327

1 2 3 6 9 18 7,129 14,258 21,387 42,774 64,161 128,322

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

128,322 64,161 192,484 96,242 48,121 144,364 72,182 36,091 108,274 54,137 162,412 81,206 40,603 121,810 60,905 182,716 91,358 45,679 137,038 68,519 205,558 102,779 308,338 154,169 462,508 231,254 115,627 346,882 173,441 520,324 260,162 130,081 390,244 195,122 97,561 292,684 146,342 73,171 219,514 109,757 329,272 164,636 82,318 41,159 123,478 61,739 185,218 92,609 277,828 138,914 69,457 208,372 104,186 52,093 156,280 78,140 39,070 19,535 58,606 29,303

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