2² × 3 × 5 × 13² × 67

Prime Factor Structure

Factorization String 2^2 × 3 × 5 × 13^2 × 67

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 72

Divisor Sum (σ) 2,090,592

Proper Divisor Sum 1,411,212

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #679373 ← → #679381

1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 67 78 130 134 156 169 195 201 260 268 335 338 390 402 507 670 676 780 804 845 871 1,005 1,014 1,340 1,690 1,742 2,010 2,028 2,535 2,613 3,380 3,484 4,020 4,355 5,070 5,226 8,710 10,140 10,452 11,323 13,065 17,420 22,646

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

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