λ
Sequence Observatory

8,493,667

7 × 13 × 93337
Deficient Odd Composite

Starting at 8,493,667, the Collatz iteration reaches 1 after 137 steps. The first transition is 25481002; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 7 × 13 × 93337
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 10,453,856
Proper Divisor Sum 1,960,189
Digit Sum / Digital Root 43 (Root: 7)
Adjacent Primes #8493649 ← → #8493671

Radix Representation

Decimal 8493667
Binary 100000011001101001100011 (24 bits)
Octal 0o40315143
Hexadecimal 0x819A63

Divisor Catalog (8)

1 7 13 91 93,337 653,359 1,213,381 8,493,667

Collatz Trajectory (137 steps to reach 1)

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

8,493,667 25,481,002 12,740,501 38,221,504 19,110,752 9,555,376 4,777,688 2,388,844 1,194,422 597,211 1,791,634 895,817 2,687,452 1,343,726 671,863 2,015,590 1,007,795 3,023,386 1,511,693 4,535,080 2,267,540 1,133,770 566,885 1,700,656 850,328 425,164 212,582 106,291 318,874 159,437 478,312 239,156 119,578 59,789 179,368 89,684 44,842 22,421 67,264 33,632 16,816 8,408 4,204 2,102 1,051 3,154 1,577 4,732 2,366 1,183 3,550 1,775 5,326 2,663 7,990 3,995 11,986 5,993 17,980 8,990

More profiles

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