213,966

2 × 3² × 11887

Prime Factor Structure

Factorization String 2 × 3^2 × 11887

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Total Divisors 12

Divisor Sum (σ) 463,632

Proper Divisor Sum 249,666

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #213953 ← → #213973

1 2 3 6 9 18 11,887 23,774 35,661 71,322 106,983 213,966

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

213,966 106,983 320,950 160,475 481,426 240,713 722,140 361,070 180,535 541,606 270,803 812,410 406,205 1,218,616 609,308 304,654 152,327 456,982 228,491 685,474 342,737 1,028,212 514,106 257,053 771,160 385,580 192,790 96,395 289,186 144,593 433,780 216,890 108,445 325,336 162,668 81,334 40,667 122,002 61,001 183,004 91,502 45,751 137,254 68,627 205,882 102,941 308,824 154,412 77,206 38,603 115,810 57,905 173,716 86,858 43,429 130,288 65,144 32,572 16,286 8,143

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