2² × 5 × 3329

Prime Factor Structure

Factorization String 2^2 × 5 × 3329

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 139,860

Proper Divisor Sum 73,280

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #66571 ← → #66587

1 2 4 5 10 20 3,329 6,658 13,316 16,645 33,290 66,580

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

66,580 33,290 16,645 49,936 24,968 12,484 6,242 3,121 9,364 4,682 2,341 7,024 3,512 1,756 878 439 1,318 659 1,978 989 2,968 1,484 742 371 1,114 557 1,672 836 418 209 628 314 157 472 236 118 59 178 89 268 134 67 202 101 304 152 76 38 19 58 29 88 44 22 11 34 17 52 26 13

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