3² × 13 × 19 × 179

Prime Factor Structure

Factorization String 3^2 × 13 × 19 × 179

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 655,200

Proper Divisor Sum 257,283

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #397907 ← → #397921

1 3 9 13 19 39 57 117 171 179 247 537 741 1,611 2,223 2,327 3,401 6,981 10,203 20,943 30,609 44,213 132,639 397,917

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

397,917 1,193,752 596,876 298,438 149,219 447,658 223,829 671,488 335,744 167,872 83,936 41,968 20,984 10,492 5,246 2,623 7,870 3,935 11,806 5,903 17,710 8,855 26,566 13,283 39,850 19,925 59,776 29,888 14,944 7,472 3,736 1,868 934 467 1,402 701 2,104 1,052 526 263 790 395 1,186 593 1,780 890 445 1,336 668 334 167 502 251 754 377 1,132 566 283 850 425

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