λ
Ratio Atlas

8,490,487

8490487
Deficient Odd Prime

8,490,487 factors as 8490487. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 212 steps.

Prime Factor Structure

Factorization String 8490487
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 8,490,488
Proper Divisor Sum 1
Digit Sum / Digital Root 40 (Root: 4)
Adjacent Primes #8490457 ← → #8490491

Radix Representation

Decimal 8490487
Binary 100000011000110111110111 (24 bits)
Octal 0o40306767
Hexadecimal 0x818DF7

Divisor Catalog (2)

Collatz Trajectory (212 steps to reach 1)

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

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