213,831

3² × 23 × 1033

Prime Factor Structure

Factorization String 3^2 × 23 × 1033

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 12

Divisor Sum (σ) 322,608

Proper Divisor Sum 108,777

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #213827 ← → #213833

1 3 9 23 69 207 1,033 3,099 9,297 23,759 71,277 213,831

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

213,831 641,494 320,747 962,242 481,121 1,443,364 721,682 360,841 1,082,524 541,262 270,631 811,894 405,947 1,217,842 608,921 1,826,764 913,382 456,691 1,370,074 685,037 2,055,112 1,027,556 513,778 256,889 770,668 385,334 192,667 578,002 289,001 867,004 433,502 216,751 650,254 325,127 975,382 487,691 1,463,074 731,537 2,194,612 1,097,306 548,653 1,645,960 822,980 411,490 205,745 617,236 308,618 154,309 462,928 231,464 115,732 57,866 28,933 86,800 43,400 21,700 10,850 5,425 16,276 8,138

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