2² × 7 × 13 × 1091

Prime Factor Structure

Factorization String 2^2 × 7 × 13 × 1091

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 856,128

Proper Divisor Sum 459,004

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #397099 ← → #397127

1 2 4 7 13 14 26 28 52 91 182 364 1,091 2,182 4,364 7,637 14,183 15,274 28,366 30,548 56,732 99,281 198,562 397,124

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

397,124 198,562 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 5,308 2,654 1,327 3,982 1,991 5,974 2,987 8,962 4,481 13,444 6,722 3,361 10,084 5,042 2,521

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