λ
Sigma Notebook

1,420,452

22 × 32 × 11 × 17 × 211
Abundant Even Composite

1,420,452 is even and not a perfect square. Its factorization is 2^2 × 3^2 × 11 × 17 × 211 and its 72 divisors sum to 4,167,072.

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Prime Factor Structure

Factorization String 2^2 × 3^2 × 11 × 17 × 211
Distinct Prime Factors 5
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 72
Divisor Sum (σ) 4,167,072
Proper Divisor Sum 2,746,620
Digit Sum / Digital Root 18 (Root: 9)
Adjacent Primes #1420429 ← → #1420483

Radix Representation

Decimal 1420452
Binary 101011010110010100100 (21 bits)
Octal 0o5326244
Hexadecimal 0x15ACA4

Divisor Catalog (5 of 72)

1 2 3 4 6

Collatz Trajectory (230 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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