λ
Sigma Notebook

1,257,803

113 × 11131
Deficient Odd Composite

1,257,803 is odd and not a perfect square. Its factorization is 113 × 11131 and its 4 divisors sum to 1,269,048.

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Prime Factor Structure

Factorization String 113 × 11131
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 1,269,048
Proper Divisor Sum 11,245
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #1257787 ← → #1257827

Radix Representation

Decimal 1257803
Binary 100110011000101001011 (21 bits)
Octal 0o4630513
Hexadecimal 0x13314B

Divisor Catalog (4)

Collatz Trajectory (111 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.

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