λ
Sigma Notebook

1,808,011

523 × 3457
Deficient Odd Composite

1,808,011 is odd and not a perfect square. Its factorization is 523 × 3457 and its 4 divisors sum to 1,811,992.

Prime Factor Structure

Factorization String 523 × 3457
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 1,811,992
Proper Divisor Sum 3,981
Digit Sum / Digital Root 19 (Root: 1)
Adjacent Primes #1808003 ← → #1808017

Radix Representation

Decimal 1808011
Binary 110111001011010001011 (21 bits)
Octal 0o6713213
Hexadecimal 0x1B968B

Divisor Catalog (4)

Collatz Trajectory (114 steps to reach 1)

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

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