2² × 7² × 1423

Prime Factor Structure

Factorization String 2^2 × 7^2 × 1423

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 568,176

Proper Divisor Sum 289,268

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #278903 ← → #278909

1 2 4 7 14 28 49 98 196 1,423 2,846 5,692 9,961 19,922 39,844 69,727 139,454 278,908

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

278,908 139,454 69,727 209,182 104,591 313,774 156,887 470,662 235,331 705,994 352,997 1,058,992 529,496 264,748 132,374 66,187 198,562 99,281 297,844 148,922 74,461 223,384 111,692 55,846 27,923 83,770 41,885 125,656 62,828 31,414 15,707 47,122 23,561 70,684 35,342 17,671 53,014 26,507 79,522 39,761 119,284 59,642 29,821 89,464 44,732 22,366 11,183 33,550 16,775 50,326 25,163 75,490 37,745 113,236 56,618 28,309 84,928 42,464 21,232 10,616

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