307,780

2² × 5 × 11 × 1399

Prime Factor Structure

Factorization String 2^2 × 5 × 11 × 1399

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 24

Divisor Sum (σ) 705,600

Proper Divisor Sum 397,820

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #307759 ← → #307817

1 2 4 5 10 11 20 22 44 55 110 220 1,399 2,798 5,596 6,995 13,990 15,389 27,980 30,778 61,556 76,945 153,890 307,780

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

307,780 153,890 76,945 230,836 115,418 57,709 173,128 86,564 43,282 21,641 64,924 32,462 16,231 48,694 24,347 73,042 36,521 109,564 54,782 27,391 82,174 41,087 123,262 61,631 184,894 92,447 277,342 138,671 416,014 208,007 624,022 312,011 936,034 468,017 1,404,052 702,026 351,013 1,053,040 526,520 263,260 131,630 65,815 197,446 98,723 296,170 148,085 444,256 222,128 111,064 55,532 27,766 13,883 41,650 20,825 62,476 31,238 15,619 46,858 23,429 70,288

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