2² × 3 × 139

Prime Factor Structure

Factorization String 2^2 × 3 × 139

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 3,920

Proper Divisor Sum 2,252

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #1667 ← → #1669

1 2 3 4 6 12 139 278 417 556 834 1,668

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

1,668 834 417 1,252 626 313 940 470 235 706 353 1,060 530 265 796 398 199 598 299 898 449 1,348 674 337 1,012 506 253 760 380 190 95 286 143 430 215 646 323 970 485 1,456 728 364 182 91 274 137 412 206 103 310 155 466 233 700 350 175 526 263 790 395

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