2² × 13² × 313

Prime Factor Structure

Factorization String 2^2 × 13^2 × 313

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 402,234

Proper Divisor Sum 190,646

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #211583 ← → #211597

1 2 4 13 26 52 169 313 338 626 676 1,252 4,069 8,138 16,276 52,897 105,794 211,588

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

211,588 105,794 52,897 158,692 79,346 39,673 119,020 59,510 29,755 89,266 44,633 133,900 66,950 33,475 100,426 50,213 150,640 75,320 37,660 18,830 9,415 28,246 14,123 42,370 21,185 63,556 31,778 15,889 47,668 23,834 11,917 35,752 17,876 8,938 4,469 13,408 6,704 3,352 1,676 838 419 1,258 629 1,888 944 472 236 118 59 178 89 268 134 67 202 101 304 152 76 38

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