13² × 1217

Prime Factor Structure

Factorization String 13^2 × 1217

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 222,894

Proper Divisor Sum 17,221

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #205663 ← → #205703

1 13 169 1,217 15,821 205,673

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

205,673 617,020 308,510 154,255 462,766 231,383 694,150 347,075 1,041,226 520,613 1,561,840 780,920 390,460 195,230 97,615 292,846 146,423 439,270 219,635 658,906 329,453 988,360 494,180 247,090 123,545 370,636 185,318 92,659 277,978 138,989 416,968 208,484 104,242 52,121 156,364 78,182 39,091 117,274 58,637 175,912 87,956 43,978 21,989 65,968 32,984 16,492 8,246 4,123 12,370 6,185 18,556 9,278 4,639 13,918 6,959 20,878 10,439 31,318 15,659 46,978

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