λ
Sigma Notebook

8,629,972

22 × 13 × 165961
Deficient Even Composite

8,629,972 is even and not a perfect square. Its factorization is 2^2 × 13 × 165961 and its 12 divisors sum to 16,264,276.

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Prime Factor Structure

Factorization String 2^2 × 13 × 165961
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 16,264,276
Proper Divisor Sum 7,634,304
Digit Sum / Digital Root 43 (Root: 7)
Adjacent Primes #8629963 ← → #8629981

Radix Representation

Decimal 8629972
Binary 100000111010111011010100 (24 bits)
Octal 0o40727324
Hexadecimal 0x83AED4

Divisor Catalog (5 of 12)

1 2 4 13 26

Collatz Trajectory (119 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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