λ
Ratio Atlas

4,189,987

4189987
Deficient Odd Prime

Prime Factor Structure

Factorization String 4189987
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 4,189,988
Proper Divisor Sum 1
Digit Sum / Digital Root 46 (Root: 1)
Adjacent Primes #4189961 ← → #4190009

Radix Representation

Decimal 4189987
Binary 1111111110111100100011 (22 bits)
Octal 0o17767443
Hexadecimal 0x3FEF23

Divisor Catalog (2)

Collatz Trajectory (136 steps to reach 1)

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

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