2³ × 3 × 5 × 41 × 131

Prime Factor Structure

Factorization String 2^3 × 3 × 5 × 41 × 131

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 64

Divisor Sum (σ) 1,995,840

Proper Divisor Sum 1,351,320

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #644519 ← → #644531

1 2 3 4 5 6 8 10 12 15 20 24 30 40 41 60 82 120 123 131 164 205 246 262 328 393 410 492 524 615 655 786 820 984 1,048 1,230 1,310 1,572 1,640 1,965 2,460 2,620 3,144 3,930 4,920 5,240 5,371 7,860 10,742 15,720 16,113 21,484 26,855 32,226 42,968 53,710 64,452 80,565 107,420 128,904

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

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