λ
Sigma Notebook

2,660,165

5 × 532033
Deficient Odd Composite

2,660,165 is odd and not a perfect square. Its factorization is 5 × 532033 and its 4 divisors sum to 3,192,204.

Prime Factor Structure

Factorization String 5 × 532033
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 3,192,204
Proper Divisor Sum 532,039
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #2660137 ← → #2660173

Radix Representation

Decimal 2660165
Binary 1010001001011101000101 (22 bits)
Octal 0o12113505
Hexadecimal 0x289745

Divisor Catalog (4)

1 5 532,033 2,660,165

Collatz Trajectory (81 steps to reach 1)

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

2,660,165 7,980,496 3,990,248 1,995,124 997,562 498,781 1,496,344 748,172 374,086 187,043 561,130 280,565 841,696 420,848 210,424 105,212 52,606 26,303 78,910 39,455 118,366 59,183 177,550 88,775 266,326 133,163 399,490 199,745 599,236 299,618 149,809 449,428 224,714 112,357 337,072 168,536 84,268 42,134 21,067 63,202 31,601 94,804 47,402 23,701 71,104 35,552 17,776 8,888 4,444 2,222 1,111 3,334 1,667 5,002 2,501 7,504 3,752 1,876 938 469

More profiles

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