2² × 5 × 21661

Prime Factor Structure

Factorization String 2^2 × 5 × 21661

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 909,804

Proper Divisor Sum 476,584

Digit Sum / Digital Root 14 (Root: 5)

Adjacent Primes #433207 ← → #433229

1 2 4 5 10 20 21,661 43,322 86,644 108,305 216,610 433,220

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

433,220 216,610 108,305 324,916 162,458 81,229 243,688 121,844 60,922 30,461 91,384 45,692 22,846 11,423 34,270 17,135 51,406 25,703 77,110 38,555 115,666 57,833 173,500 86,750 43,375 130,126 65,063 195,190 97,595 292,786 146,393 439,180 219,590 109,795 329,386 164,693 494,080 247,040 123,520 61,760 30,880 15,440 7,720 3,860 1,930 965 2,896 1,448 724 362 181 544 272 136 68 34 17 52 26 13

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