λ
Ratio Atlas

28,005,149

28005149
Deficient Odd Prime

Prime Factor Structure

Factorization String 28005149
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 28,005,150
Proper Divisor Sum 1
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #28005139 ← → #28005163

Radix Representation

Decimal 28005149
Binary 1101010110101001100011101 (25 bits)
Octal 0o152651435
Hexadecimal 0x1AB531D

Divisor Catalog (2)

Collatz Trajectory (268 steps to reach 1)

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

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