λ
Ratio Atlas

423,649

423649
Deficient Odd Prime

423,649 factors as 423649. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 130 steps.

Prime Factor Structure

Factorization String 423649
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 423,650
Proper Divisor Sum 1
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #423617 ← → #423667

Radix Representation

Decimal 423649
Binary 1100111011011100001 (19 bits)
Octal 0o1473341
Hexadecimal 0x676E1

Divisor Catalog (2)

Collatz Trajectory (130 steps to reach 1)

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

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