λ
Ratio Atlas

20,456,242

2 × 10228121
Deficient Even Composite

20,456,242 factors as 2 × 10228121. Its 4 positive divisors give a proper-divisor sum of 10,228,124, so this integer is deficient. The Collatz stopping time is 128 steps.

Prime Factor Structure

Factorization String 2 × 10228121
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 30,684,366
Proper Divisor Sum 10,228,124
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #20456231 ← → #20456257

Radix Representation

Decimal 20456242
Binary 1001110000010001100110010 (25 bits)
Octal 0o116021462
Hexadecimal 0x1382332

Divisor Catalog (4)

Collatz Trajectory (128 steps to reach 1)

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

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