λ
Ratio Atlas

20,009,389

20009389
Deficient Odd Prime

Prime Factor Structure

Factorization String 20009389
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 20,009,390
Proper Divisor Sum 1
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #20009383 ← → #20009393

Radix Representation

Decimal 20009389
Binary 1001100010101000110101101 (25 bits)
Octal 0o114250655
Hexadecimal 0x13151AD

Divisor Catalog (2)

Collatz Trajectory (177 steps to reach 1)

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

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