λ
Ratio Atlas

20,520,161

20520161
Deficient Odd Prime

Prime Factor Structure

Factorization String 20520161
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 20,520,162
Proper Divisor Sum 1
Digit Sum / Digital Root 17 (Root: 8)
Adjacent Primes #20520103 ← → #20520167

Radix Representation

Decimal 20520161
Binary 1001110010001110011100001 (25 bits)
Octal 0o116216341
Hexadecimal 0x1391CE1

Divisor Catalog (2)

Collatz Trajectory (213 steps to reach 1)

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

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