2² × 3⁴ × 11 × 61

Prime Factor Structure

Factorization String 2^2 × 3^4 × 11 × 61

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 60

Divisor Sum (σ) 630,168

Proper Divisor Sum 412,764

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #217397 ← → #217409

1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 61 66 81 99 108 122 132 162 183 198 244 297 324 366 396 549 594 671 732 891 1,098 1,188 1,342 1,647 1,782 2,013 2,196 2,684 3,294 3,564 4,026 4,941 6,039 6,588 8,052 9,882 12,078 18,117 19,764 24,156 36,234 54,351 72,468 108,702 217,404

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

217,404 108,702 54,351 163,054 81,527 244,582 122,291 366,874 183,437 550,312 275,156 137,578 68,789 206,368 103,184 51,592 25,796 12,898 6,449 19,348 9,674 4,837 14,512 7,256 3,628 1,814 907 2,722 1,361 4,084 2,042 1,021 3,064 1,532 766 383 1,150 575 1,726 863 2,590 1,295 3,886 1,943 5,830 2,915 8,746 4,373 13,120 6,560 3,280 1,640 820 410 205 616 308 154 77 232

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