2³ × 3² × 5 × 607

Prime Factor Structure

Factorization String 2^3 × 3^2 × 5 × 607

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 711,360

Proper Divisor Sum 492,840

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #218513 ← → #218521

1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 607 1,214 1,821 2,428 3,035 3,642 4,856 5,463 6,070 7,284 9,105 10,926 12,140 14,568 18,210 21,852 24,280 27,315 36,420 43,704 54,630 72,840 109,260 218,520

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

218,520 109,260 54,630 27,315 81,946 40,973 122,920 61,460 30,730 15,365 46,096 23,048 11,524 5,762 2,881 8,644 4,322 2,161 6,484 3,242 1,621 4,864 2,432 1,216 608 304 152 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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