3² × 13² × 137

Prime Factor Structure

Factorization String 3^2 × 13^2 × 137

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 328,302

Proper Divisor Sum 119,925

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #208367 ← → #208379

1 3 9 13 39 117 137 169 411 507 1,233 1,521 1,781 5,343 16,029 23,153 69,459 208,377

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

208,377 625,132 312,566 156,283 468,850 234,425 703,276 351,638 175,819 527,458 263,729 791,188 395,594 197,797 593,392 296,696 148,348 74,174 37,087 111,262 55,631 166,894 83,447 250,342 125,171 375,514 187,757 563,272 281,636 140,818 70,409 211,228 105,614 52,807 158,422 79,211 237,634 118,817 356,452 178,226 89,113 267,340 133,670 66,835 200,506 100,253 300,760 150,380 75,190 37,595 112,786 56,393 169,180 84,590 42,295 126,886 63,443 190,330 95,165 285,496

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