λ
Sigma Notebook

819,426

2 × 3 × 41 × 3331
Abundant Even Composite

819,426 is even and not a perfect square. Its factorization is 2 × 3 × 41 × 3331 and its 16 divisors sum to 1,679,328.

Prime Factor Structure

Factorization String 2 × 3 × 41 × 3331
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 1,679,328
Proper Divisor Sum 859,902
Digit Sum / Digital Root 30 (Root: 3)
Adjacent Primes #819419 ← → #819431

Radix Representation

Decimal 819426
Binary 11001000000011100010 (20 bits)
Octal 0o3100342
Hexadecimal 0xC80E2

Divisor Catalog (16)

1 2 3 6 41 82 123 246 3,331 6,662 9,993 19,986 136,571 273,142 409,713 819,426

Collatz Trajectory (131 steps to reach 1)

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

819,426 409,713 1,229,140 614,570 307,285 921,856 460,928 230,464 115,232 57,616 28,808 14,404 7,202 3,601 10,804 5,402 2,701 8,104 4,052 2,026 1,013 3,040 1,520 760 380 190 95 286 143 430 215 646 323 970 485 1,456 728 364 182 91 274 137 412 206 103 310 155 466 233 700 350 175 526 263 790 395 1,186 593 1,780 890

More profiles

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