λ
Sigma Notebook

1,429,618

2 × 714809
Deficient Even Composite

1,429,618 is even and not a perfect square. Its factorization is 2 × 714809 and its 4 divisors sum to 2,144,430.

Prime Factor Structure

Factorization String 2 × 714809
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 2,144,430
Proper Divisor Sum 714,812
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #1429609 ← → #1429619

Radix Representation

Decimal 1429618
Binary 101011101000001110010 (21 bits)
Octal 0o5350162
Hexadecimal 0x15D072

Divisor Catalog (4)

Collatz Trajectory (150 steps to reach 1)

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

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