λ
Sigma Notebook

245,315

5 × 7 × 43 × 163
Deficient Odd Composite

245,315 is odd and not a perfect square. Its factorization is 5 × 7 × 43 × 163 and its 16 divisors sum to 346,368.

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Prime Factor Structure

Factorization String 5 × 7 × 43 × 163
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 346,368
Proper Divisor Sum 101,053
Digit Sum / Digital Root 20 (Root: 2)
Adjacent Primes #245299 ← → #245317

Radix Representation

Decimal 245315
Binary 111011111001000011 (18 bits)
Octal 0o737103
Hexadecimal 0x3BE43

Divisor Catalog (5 of 16)

1 5 7 35 43

Collatz Trajectory (181 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.

245,315 735,946 367,973 1,103,920 551,960

More profiles

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