7² × 23 × 191

Prime Factor Structure

Factorization String 7^2 × 23 × 191

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 262,656

Proper Divisor Sum 47,399

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #215249 ← → #215261

1 7 23 49 161 191 1,127 1,337 4,393 9,359 30,751 215,257

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

215,257 645,772 322,886 161,443 484,330 242,165 726,496 363,248 181,624 90,812 45,406 22,703 68,110 34,055 102,166 51,083 153,250 76,625 229,876 114,938 57,469 172,408 86,204 43,102 21,551 64,654 32,327 96,982 48,491 145,474 72,737 218,212 109,106 54,553 163,660 81,830 40,915 122,746 61,373 184,120 92,060 46,030 23,015 69,046 34,523 103,570 51,785 155,356 77,678 38,839 116,518 58,259 174,778 87,389 262,168 131,084 65,542 32,771 98,314 49,157

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