λ
Sequence Observatory

7,670,861

11 × 697351
Deficient Odd Composite

Starting at 7,670,861, the Collatz iteration reaches 1 after 279 steps. The first transition is 23012584; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 11 × 697351
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 8,368,224
Proper Divisor Sum 697,363
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #7670843 ← → #7670869

Radix Representation

Decimal 7670861
Binary 11101010000110001001101 (23 bits)
Octal 0o35206115
Hexadecimal 0x750C4D

Divisor Catalog (4)

1 11 697,351 7,670,861

Collatz Trajectory (279 steps to reach 1)

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

7,670,861 23,012,584 11,506,292 5,753,146 2,876,573 8,629,720 4,314,860 2,157,430 1,078,715 3,236,146 1,618,073 4,854,220 2,427,110 1,213,555 3,640,666 1,820,333 5,461,000 2,730,500 1,365,250 682,625 2,047,876 1,023,938 511,969 1,535,908 767,954 383,977 1,151,932 575,966 287,983 863,950 431,975 1,295,926 647,963 1,943,890 971,945 2,915,836 1,457,918 728,959 2,186,878 1,093,439 3,280,318 1,640,159 4,920,478 2,460,239 7,380,718 3,690,359 11,071,078 5,535,539 16,606,618 8,303,309 24,909,928 12,454,964 6,227,482 3,113,741 9,341,224 4,670,612 2,335,306 1,167,653 3,502,960 1,751,480

More profiles

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