2² × 5 × 13 × 1091

Prime Factor Structure

Factorization String 2^2 × 5 × 13 × 1091

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 642,096

Proper Divisor Sum 358,436

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #283639 ← → #283669

1 2 4 5 10 13 20 26 52 65 130 260 1,091 2,182 4,364 5,455 10,910 14,183 21,820 28,366 56,732 70,915 141,830 283,660

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

283,660 141,830 70,915 212,746 106,373 319,120 159,560 79,780 39,890 19,945 59,836 29,918 14,959 44,878 22,439 67,318 33,659 100,978 50,489 151,468 75,734 37,867 113,602 56,801 170,404 85,202 42,601 127,804 63,902 31,951 95,854 47,927 143,782 71,891 215,674 107,837 323,512 161,756 80,878 40,439 121,318 60,659 181,978 90,989 272,968 136,484 68,242 34,121 102,364 51,182 25,591 76,774 38,387 115,162 57,581 172,744 86,372 43,186 21,593 64,780

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