216211

Prime Factor Structure

Factorization String 216211

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 216,212

Proper Divisor Sum 1

Digit Sum / Digital Root 13 (Root: 4)

Adjacent Primes #216179 ← → #216217

1 216,211

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

216,211 648,634 324,317 972,952 486,476 243,238 121,619 364,858 182,429 547,288 273,644 136,822 68,411 205,234 102,617 307,852 153,926 76,963 230,890 115,445 346,336 173,168 86,584 43,292 21,646 10,823 32,470 16,235 48,706 24,353 73,060 36,530 18,265 54,796 27,398 13,699 41,098 20,549 61,648 30,824 15,412 7,706 3,853 11,560 5,780 2,890 1,445 4,336 2,168 1,084 542 271 814 407 1,222 611 1,834 917 2,752 1,376

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