λ
Sigma Notebook

8,180,086

2 × 223 × 18341
Deficient Even Composite

8,180,086 is even and not a perfect square. Its factorization is 2 × 223 × 18341 and its 8 divisors sum to 12,325,824.

Prime Factor Structure

Factorization String 2 × 223 × 18341
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 12,325,824
Proper Divisor Sum 4,145,738
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #8180083 ← → #8180093

Radix Representation

Decimal 8180086
Binary 11111001101000101110110 (23 bits)
Octal 0o37150566
Hexadecimal 0x7CD176

Divisor Catalog (8)

1 2 223 446 18,341 36,682 4,090,043 8,180,086

Collatz Trajectory (367 steps to reach 1)

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

8,180,086 4,090,043 12,270,130 6,135,065 18,405,196 9,202,598 4,601,299 13,803,898 6,901,949 20,705,848 10,352,924 5,176,462 2,588,231 7,764,694 3,882,347 11,647,042 5,823,521 17,470,564 8,735,282 4,367,641 13,102,924 6,551,462 3,275,731 9,827,194 4,913,597 14,740,792 7,370,396 3,685,198 1,842,599 5,527,798 2,763,899 8,291,698 4,145,849 12,437,548 6,218,774 3,109,387 9,328,162 4,664,081 13,992,244 6,996,122 3,498,061 10,494,184 5,247,092 2,623,546 1,311,773 3,935,320 1,967,660 983,830 491,915 1,475,746 737,873 2,213,620 1,106,810 553,405 1,660,216 830,108 415,054 207,527 622,582 311,291

More profiles

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