2 × 5 × 7² × 421

Prime Factor Structure

Factorization String 2 × 5 × 7^2 × 421

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 432,972

Proper Divisor Sum 226,682

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #206281 ← → #206291

1 2 5 7 10 14 35 49 70 98 245 421 490 842 2,105 2,947 4,210 5,894 14,735 20,629 29,470 41,258 103,145 206,290

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

206,290 103,145 309,436 154,718 77,359 232,078 116,039 348,118 174,059 522,178 261,089 783,268 391,634 195,817 587,452 293,726 146,863 440,590 220,295 660,886 330,443 991,330 495,665 1,486,996 743,498 371,749 1,115,248 557,624 278,812 139,406 69,703 209,110 104,555 313,666 156,833 470,500 235,250 117,625 352,876 176,438 88,219 264,658 132,329 396,988 198,494 99,247 297,742 148,871 446,614 223,307 669,922 334,961 1,004,884 502,442 251,221 753,664 376,832 188,416 94,208 47,104

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