2,197,404

2² × 3² × 11 × 31 × 179

Prime Factor Structure

Factorization String 2^2 × 3^2 × 11 × 31 × 179

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Total Divisors 72

Divisor Sum (σ) 6,289,920

Proper Divisor Sum 4,092,516

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #2197387 ← → #2197409

1 2 3 4 6 9 11 12 18 22 31 33 36 44 62 66 93 99 124 132 179 186 198 279 341 358 372 396 537 558 682 716 1,023 1,074 1,116 1,364 1,611 1,969 2,046 2,148 3,069 3,222 3,938 4,092 5,549 5,907 6,138 6,444 7,876 11,098 11,814 12,276 16,647 17,721 22,196 23,628 33,294 35,442 49,941 61,039

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

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