λ
Ratio Atlas

18,400,061

18400061
Deficient Odd Prime

18,400,061 factors as 18400061. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 133 steps.

Prime Factor Structure

Factorization String 18400061
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 18,400,062
Proper Divisor Sum 1
Digit Sum / Digital Root 20 (Root: 2)
Adjacent Primes #18400051 ← → #18400073

Radix Representation

Decimal 18400061
Binary 1000110001100001100111101 (25 bits)
Octal 0o106141475
Hexadecimal 0x118C33D

Divisor Catalog (2)

Collatz Trajectory (133 steps to reach 1)

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

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