λ
Ratio Atlas

489,257

489257
Deficient Odd Prime

489,257 factors as 489257. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 76 steps.

Prime Factor Structure

Factorization String 489257
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 489,258
Proper Divisor Sum 1
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #489241 ← → #489263

Radix Representation

Decimal 489257
Binary 1110111011100101001 (19 bits)
Octal 0o1673451
Hexadecimal 0x77729

Divisor Catalog (2)

Collatz Trajectory (76 steps to reach 1)

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

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