2 × 3 × 43 × 3257

Prime Factor Structure

Factorization String 2 × 3 × 43 × 3257

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,720,224

Proper Divisor Sum 879,918

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #840299 ← → #840319

1 2 3 6 43 86 129 258 3,257 6,514 9,771 19,542 140,051 280,102 420,153 840,306

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

840,306 420,153 1,260,460 630,230 315,115 945,346 472,673 1,418,020 709,010 354,505 1,063,516 531,758 265,879 797,638 398,819 1,196,458 598,229 1,794,688 897,344 448,672 224,336 112,168 56,084 28,042 14,021 42,064 21,032 10,516 5,258 2,629 7,888 3,944 1,972 986 493 1,480 740 370 185 556 278 139 418 209 628 314 157 472 236 118 59 178 89 268 134 67 202 101 304 152

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