2 × 3 × 5 × 20947

Prime Factor Structure

Factorization String 2 × 3 × 5 × 20947

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,508,256

Proper Divisor Sum 879,846

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #628399 ← → #628423

1 2 3 5 6 10 15 30 20,947 41,894 62,841 104,735 125,682 209,470 314,205 628,410

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

628,410 314,205 942,616 471,308 235,654 117,827 353,482 176,741 530,224 265,112 132,556 66,278 33,139 99,418 49,709 149,128 74,564 37,282 18,641 55,924 27,962 13,981 41,944 20,972 10,486 5,243 15,730 7,865 23,596 11,798 5,899 17,698 8,849 26,548 13,274 6,637 19,912 9,956 4,978 2,489 7,468 3,734 1,867 5,602 2,801 8,404 4,202 2,101 6,304 3,152 1,576 788 394 197 592 296 148 74 37 112

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