2 × 3² × 12289

Prime Factor Structure

Factorization String 2 × 3^2 × 12289

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 479,310

Proper Divisor Sum 258,108

Digit Sum / Digital Root 9 (Root: 9)

Adjacent Primes #221201 ← → #221203

1 2 3 6 9 18 12,289 24,578 36,867 73,734 110,601 221,202

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

221,202 110,601 331,804 165,902 82,951 248,854 124,427 373,282 186,641 559,924 279,962 139,981 419,944 209,972 104,986 52,493 157,480 78,740 39,370 19,685 59,056 29,528 14,764 7,382 3,691 11,074 5,537 16,612 8,306 4,153 12,460 6,230 3,115 9,346 4,673 14,020 7,010 3,505 10,516 5,258 2,629 7,888 3,944 1,972 986 493 1,480 740 370 185 556 278 139 418 209 628 314 157 472 236

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