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Math Directory

654,607

19 × 131 × 263
Deficient Odd Composite

654,607 factors as 19 × 131 × 263. Its 8 positive divisors give a proper-divisor sum of 42,353, so this integer is deficient. The Collatz stopping time is 247 steps.

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Prime Factor Structure

Factorization String 19 × 131 × 263
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 696,960
Proper Divisor Sum 42,353
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #654601 ← → #654611

Radix Representation

Decimal 654607
Binary 10011111110100001111 (20 bits)
Octal 0o2376417
Hexadecimal 0x9FD0F

Divisor Catalog (5 of 8)

1 19 131 263 2,489

Collatz Trajectory (247 steps to reach 1)

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

Showing the first 5 trajectory entries; the stopping-time total above is unchanged.

654,607 1,963,822 981,911 2,945,734 1,472,867

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