λ
Ratio Atlas

1,890,331

1890331
Deficient Odd Prime

1,890,331 factors as 1890331. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 246 steps.

Prime Factor Structure

Factorization String 1890331
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 1,890,332
Proper Divisor Sum 1
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #1890319 ← → #1890337

Radix Representation

Decimal 1890331
Binary 111001101100000011011 (21 bits)
Octal 0o7154033
Hexadecimal 0x1CD81B

Divisor Catalog (2)

Collatz Trajectory (246 steps to reach 1)

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

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