λ
Ratio Atlas

1,980,409

1980409
Deficient Odd Prime

Prime Factor Structure

Factorization String 1980409
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 1,980,410
Proper Divisor Sum 1
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #1980401 ← → #1980413

Radix Representation

Decimal 1980409
Binary 111100011011111111001 (21 bits)
Octal 0o7433771
Hexadecimal 0x1E37F9

Divisor Catalog (2)

Collatz Trajectory (96 steps to reach 1)

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

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