λ
Ratio Atlas

1,978,646

2 × 989323
Deficient Even Composite

Prime Factor Structure

Factorization String 2 × 989323
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 2,967,972
Proper Divisor Sum 989,326
Digit Sum / Digital Root 41 (Root: 5)
Adjacent Primes #1978631 ← → #1978661

Radix Representation

Decimal 1978646
Binary 111100011000100010110 (21 bits)
Octal 0o7430426
Hexadecimal 0x1E3116

Divisor Catalog (4)

Collatz Trajectory (91 steps to reach 1)

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

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