λ
Sequence Observatory

8,008,613

37 × 263 × 823
Deficient Odd Composite

Starting at 8,008,613, the Collatz iteration reaches 1 after 168 steps. The first transition is 24025840; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 37 × 263 × 823
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 8,266,368
Proper Divisor Sum 257,755
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #8008607 ← → #8008619

Radix Representation

Decimal 8008613
Binary 11110100011001110100101 (23 bits)
Octal 0o36431645
Hexadecimal 0x7A33A5

Divisor Catalog (8)

1 37 263 823 9,731 30,451 216,449 8,008,613

Collatz Trajectory (168 steps to reach 1)

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

8,008,613 24,025,840 12,012,920 6,006,460 3,003,230 1,501,615 4,504,846 2,252,423 6,757,270 3,378,635 10,135,906 5,067,953 15,203,860 7,601,930 3,800,965 11,402,896 5,701,448 2,850,724 1,425,362 712,681 2,138,044 1,069,022 534,511 1,603,534 801,767 2,405,302 1,202,651 3,607,954 1,803,977 5,411,932 2,705,966 1,352,983 4,058,950 2,029,475 6,088,426 3,044,213 9,132,640 4,566,320 2,283,160 1,141,580 570,790 285,395 856,186 428,093 1,284,280 642,140 321,070 160,535 481,606 240,803 722,410 361,205 1,083,616 541,808 270,904 135,452 67,726 33,863 101,590 50,795

More profiles

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