2² × 5 × 21163

Prime Factor Structure

Factorization String 2^2 × 5 × 21163

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 888,888

Proper Divisor Sum 465,628

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #423259 ← → #423277

1 2 4 5 10 20 21,163 42,326 84,652 105,815 211,630 423,260

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

423,260 211,630 105,815 317,446 158,723 476,170 238,085 714,256 357,128 178,564 89,282 44,641 133,924 66,962 33,481 100,444 50,222 25,111 75,334 37,667 113,002 56,501 169,504 84,752 42,376 21,188 10,594 5,297 15,892 7,946 3,973 11,920 5,960 2,980 1,490 745 2,236 1,118 559 1,678 839 2,518 1,259 3,778 1,889 5,668 2,834 1,417 4,252 2,126 1,063 3,190 1,595 4,786 2,393 7,180 3,590 1,795 5,386 2,693

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