λ
Sigma Notebook

668,097

32 × 19 × 3907
Deficient Odd Composite

668,097 is odd and not a perfect square. Its factorization is 3^2 × 19 × 3907 and its 12 divisors sum to 1,016,080.

Prime Factor Structure

Factorization String 3^2 × 19 × 3907
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 1,016,080
Proper Divisor Sum 347,983
Digit Sum / Digital Root 36 (Root: 9)
Adjacent Primes #668093 ← → #668111

Radix Representation

Decimal 668097
Binary 10100011000111000001 (20 bits)
Octal 0o2430701
Hexadecimal 0xA31C1

Divisor Catalog (12)

1 3 9 19 57 171 3,907 11,721 35,163 74,233 222,699 668,097

Collatz Trajectory (115 steps to reach 1)

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

668,097 2,004,292 1,002,146 501,073 1,503,220 751,610 375,805 1,127,416 563,708 281,854 140,927 422,782 211,391 634,174 317,087 951,262 475,631 1,426,894 713,447 2,140,342 1,070,171 3,210,514 1,605,257 4,815,772 2,407,886 1,203,943 3,611,830 1,805,915 5,417,746 2,708,873 8,126,620 4,063,310 2,031,655 6,094,966 3,047,483 9,142,450 4,571,225 13,713,676 6,856,838 3,428,419 10,285,258 5,142,629 15,427,888 7,713,944 3,856,972 1,928,486 964,243 2,892,730 1,446,365 4,339,096 2,169,548 1,084,774 542,387 1,627,162 813,581 2,440,744 1,220,372 610,186 305,093 915,280

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