λ
Sigma Notebook

8,320,265

5 × 1664053
Deficient Odd Composite

8,320,265 is odd and not a perfect square. Its factorization is 5 × 1664053 and its 4 divisors sum to 9,984,324.

Prime Factor Structure

Factorization String 5 × 1664053
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 9,984,324
Proper Divisor Sum 1,664,059
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #8320229 ← → #8320267

Radix Representation

Decimal 8320265
Binary 11111101111010100001001 (23 bits)
Octal 0o37572411
Hexadecimal 0x7EF509

Divisor Catalog (4)

1 5 1,664,053 8,320,265

Collatz Trajectory (212 steps to reach 1)

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

8,320,265 24,960,796 12,480,398 6,240,199 18,720,598 9,360,299 28,080,898 14,040,449 42,121,348 21,060,674 10,530,337 31,591,012 15,795,506 7,897,753 23,693,260 11,846,630 5,923,315 17,769,946 8,884,973 26,654,920 13,327,460 6,663,730 3,331,865 9,995,596 4,997,798 2,498,899 7,496,698 3,748,349 11,245,048 5,622,524 2,811,262 1,405,631 4,216,894 2,108,447 6,325,342 3,162,671 9,488,014 4,744,007 14,232,022 7,116,011 21,348,034 10,674,017 32,022,052 16,011,026 8,005,513 24,016,540 12,008,270 6,004,135 18,012,406 9,006,203 27,018,610 13,509,305 40,527,916 20,263,958 10,131,979 30,395,938 15,197,969 45,593,908 22,796,954 11,398,477

More profiles

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