λ
Ratio Atlas

421,188

22 × 3 × 35099
Abundant Even Composite

421,188 factors as 2^2 × 3 × 35099. Its 12 positive divisors give a proper-divisor sum of 561,612, so this integer is abundant. The Collatz stopping time is 81 steps.

Prime Factor Structure

Factorization String 2^2 × 3 × 35099
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 982,800
Proper Divisor Sum 561,612
Digit Sum / Digital Root 24 (Root: 6)
Adjacent Primes #421181 ← → #421189

Radix Representation

Decimal 421188
Binary 1100110110101000100 (19 bits)
Octal 0o1466504
Hexadecimal 0x66D44

Divisor Catalog (12)

Collatz Trajectory (81 steps to reach 1)

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

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