3⁶ × 17²

Prime Factor Structure

Factorization String 3^6 × 17^2

Distinct Prime Factors 2

Square Status Yes (√210681 = 459)

Abundance Measure Deficient

Analytical Properties

Total Divisors 21

Divisor Sum (σ) 335,551

Proper Divisor Sum 124,870

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #210671 ← → #210709

1 3 9 17 27 51 81 153 243 289 459 729 867 1,377 2,601 4,131 7,803 12,393 23,409 70,227 210,681

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

210,681 632,044 316,022 158,011 474,034 237,017 711,052 355,526 177,763 533,290 266,645 799,936 399,968 199,984 99,992 49,996 24,998 12,499 37,498 18,749 56,248 28,124 14,062 7,031 21,094 10,547 31,642 15,821 47,464 23,732 11,866 5,933 17,800 8,900 4,450 2,225 6,676 3,338 1,669 5,008 2,504 1,252 626 313 940 470 235 706 353 1,060 530 265 796 398 199 598 299 898 449 1,348

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