λ
Ratio Atlas

18,773,861

18773861
Deficient Odd Prime

18,773,861 factors as 18773861. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 195 steps.

Prime Factor Structure

Factorization String 18773861
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 18,773,862
Proper Divisor Sum 1
Digit Sum / Digital Root 41 (Root: 5)
Adjacent Primes #18773857 ← → #18773873

Radix Representation

Decimal 18773861
Binary 1000111100111011101100101 (25 bits)
Octal 0o107473545
Hexadecimal 0x11E7765

Divisor Catalog (2)

Collatz Trajectory (195 steps to reach 1)

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

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