λ
Sigma Notebook

3,645,617

191 × 19087
Deficient Odd Composite

3,645,617 is odd and not a perfect square. Its factorization is 191 × 19087 and its 4 divisors sum to 3,664,896.

Prime Factor Structure

Factorization String 191 × 19087
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 3,664,896
Proper Divisor Sum 19,279
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #3645611 ← → #3645623

Radix Representation

Decimal 3645617
Binary 1101111010000010110001 (22 bits)
Octal 0o15720261
Hexadecimal 0x37A0B1

Divisor Catalog (4)

1 191 19,087 3,645,617

Collatz Trajectory (110 steps to reach 1)

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

3,645,617 10,936,852 5,468,426 2,734,213 8,202,640 4,101,320 2,050,660 1,025,330 512,665 1,537,996 768,998 384,499 1,153,498 576,749 1,730,248 865,124 432,562 216,281 648,844 324,422 162,211 486,634 243,317 729,952 364,976 182,488 91,244 45,622 22,811 68,434 34,217 102,652 51,326 25,663 76,990 38,495 115,486 57,743 173,230 86,615 259,846 129,923 389,770 194,885 584,656 292,328 146,164 73,082 36,541 109,624 54,812 27,406 13,703 41,110 20,555 61,666 30,833 92,500 46,250 23,125

More profiles

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