λ
Ratio Atlas

18,331,769

18331769
Deficient Odd Prime

18,331,769 factors as 18331769. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 213 steps.

Prime Factor Structure

Factorization String 18331769
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 18,331,770
Proper Divisor Sum 1
Digit Sum / Digital Root 38 (Root: 2)
Adjacent Primes #18331727 ← → #18331777

Radix Representation

Decimal 18331769
Binary 1000101111011100001111001 (25 bits)
Octal 0o105734171
Hexadecimal 0x117B879

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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