λ
Ratio Atlas

1,805,413

1805413
Deficient Odd Prime

1,805,413 factors as 1805413. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 88 steps.

Prime Factor Structure

Factorization String 1805413
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 1,805,414
Proper Divisor Sum 1
Digit Sum / Digital Root 22 (Root: 4)
Adjacent Primes #1805393 ← → #1805473

Radix Representation

Decimal 1805413
Binary 110111000110001100101 (21 bits)
Octal 0o6706145
Hexadecimal 0x1B8C65

Divisor Catalog (2)

Collatz Trajectory (88 steps to reach 1)

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

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