278,802

2 × 3⁴ × 1721

Prime Factor Structure

Factorization String 2 × 3^4 × 1721

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Total Divisors 20

Divisor Sum (σ) 625,086

Proper Divisor Sum 346,284

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #278801 ← → #278807

1 2 3 6 9 18 27 54 81 162 1,721 3,442 5,163 10,326 15,489 30,978 46,467 92,934 139,401 278,802

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

278,802 139,401 418,204 209,102 104,551 313,654 156,827 470,482 235,241 705,724 352,862 176,431 529,294 264,647 793,942 396,971 1,190,914 595,457 1,786,372 893,186 446,593 1,339,780 669,890 334,945 1,004,836 502,418 251,209 753,628 376,814 188,407 565,222 282,611 847,834 423,917 1,271,752 635,876 317,938 158,969 476,908 238,454 119,227 357,682 178,841 536,524 268,262 134,131 402,394 201,197 603,592 301,796 150,898 75,449 226,348 113,174 56,587 169,762 84,881 254,644 127,322 63,661

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