2³ × 7 × 13² × 23

Prime Factor Structure

Factorization String 2^3 × 7 × 13^2 × 23

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 527,040

Proper Divisor Sum 309,368

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #217667 ← → #217681

1 2 4 7 8 13 14 23 26 28 46 52 56 91 92 104 161 169 182 184 299 322 338 364 598 644 676 728 1,183 1,196 1,288 1,352 2,093 2,366 2,392 3,887 4,186 4,732 7,774 8,372 9,464 15,548 16,744 27,209 31,096 54,418 108,836 217,672

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

217,672 108,836 54,418 27,209 81,628 40,814 20,407 61,222 30,611 91,834 45,917 137,752 68,876 34,438 17,219 51,658 25,829 77,488 38,744 19,372 9,686 4,843 14,530 7,265 21,796 10,898 5,449 16,348 8,174 4,087 12,262 6,131 18,394 9,197 27,592 13,796 6,898 3,449 10,348 5,174 2,587 7,762 3,881 11,644 5,822 2,911 8,734 4,367 13,102 6,551 19,654 9,827 29,482 14,741 44,224 22,112 11,056 5,528 2,764 1,382

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