λ
Sigma Notebook

7,166,668

22 × 431 × 4157
Deficient Even Composite

7,166,668 is even and not a perfect square. Its factorization is 2^2 × 431 × 4157 and its 12 divisors sum to 12,573,792.

Prime Factor Structure

Factorization String 2^2 × 431 × 4157
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 12,573,792
Proper Divisor Sum 5,407,124
Digit Sum / Digital Root 40 (Root: 4)
Adjacent Primes #7166659 ← → #7166689

Radix Representation

Decimal 7166668
Binary 11011010101101011001100 (23 bits)
Octal 0o33255314
Hexadecimal 0x6D5ACC

Divisor Catalog (12)

1 2 4 431 862 1,724 4,157 8,314 16,628 1,791,667 3,583,334 7,166,668

Collatz Trajectory (98 steps to reach 1)

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

7,166,668 3,583,334 1,791,667 5,375,002 2,687,501 8,062,504 4,031,252 2,015,626 1,007,813 3,023,440 1,511,720 755,860 377,930 188,965 566,896 283,448 141,724 70,862 35,431 106,294 53,147 159,442 79,721 239,164 119,582 59,791 179,374 89,687 269,062 134,531 403,594 201,797 605,392 302,696 151,348 75,674 37,837 113,512 56,756 28,378 14,189 42,568 21,284 10,642 5,321 15,964 7,982 3,991 11,974 5,987 17,962 8,981 26,944 13,472 6,736 3,368 1,684 842 421 1,264

More profiles

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