λ
Sequence Observatory

8,075,615

5 × 43 × 37561
Deficient Odd Composite

Starting at 8,075,615, the Collatz iteration reaches 1 after 261 steps. The first transition is 24226846; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 5 × 43 × 37561
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 9,916,368
Proper Divisor Sum 1,840,753
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #8075597 ← → #8075623

Radix Representation

Decimal 8075615
Binary 11110110011100101011111 (23 bits)
Octal 0o36634537
Hexadecimal 0x7B395F

Divisor Catalog (8)

1 5 43 215 37,561 187,805 1,615,123 8,075,615

Collatz Trajectory (261 steps to reach 1)

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

8,075,615 24,226,846 12,113,423 36,340,270 18,170,135 54,510,406 27,255,203 81,765,610 40,882,805 122,648,416 61,324,208 30,662,104 15,331,052 7,665,526 3,832,763 11,498,290 5,749,145 17,247,436 8,623,718 4,311,859 12,935,578 6,467,789 19,403,368 9,701,684 4,850,842 2,425,421 7,276,264 3,638,132 1,819,066 909,533 2,728,600 1,364,300 682,150 341,075 1,023,226 511,613 1,534,840 767,420 383,710 191,855 575,566 287,783 863,350 431,675 1,295,026 647,513 1,942,540 971,270 485,635 1,456,906 728,453 2,185,360 1,092,680 546,340 273,170 136,585 409,756 204,878 102,439 307,318

More profiles

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