λ
Ratio Atlas

2,155,181

7 × 499 × 617
Deficient Odd Composite

Prime Factor Structure

Factorization String 7 × 499 × 617
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 2,472,000
Proper Divisor Sum 316,819
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #2155177 ← → #2155183

Radix Representation

Decimal 2155181
Binary 1000001110001010101101 (22 bits)
Octal 0o10161255
Hexadecimal 0x20E2AD

Divisor Catalog (8)

Collatz Trajectory (104 steps to reach 1)

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

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