λ
Ratio Atlas

645,258

2 × 3 × 41 × 43 × 61
Abundant Even Composite

Prime Factor Structure

Factorization String 2 × 3 × 41 × 43 × 61
Distinct Prime Factors 5
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 32
Divisor Sum (σ) 1,374,912
Proper Divisor Sum 729,654
Digit Sum / Digital Root 30 (Root: 3)
Adjacent Primes #645257 ← → #645313

Radix Representation

Decimal 645258
Binary 10011101100010001010 (20 bits)
Octal 0o2354212
Hexadecimal 0x9D88A

Divisor Catalog (32)

Collatz Trajectory (92 steps to reach 1)

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

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