λ
Sequence Observatory

6,508,981

2417 × 2693
Deficient Odd Composite

Starting at 6,508,981, the Collatz iteration reaches 1 after 209 steps. The first transition is 19526944; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 2417 × 2693
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 6,514,092
Proper Divisor Sum 5,111
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #6508979 ← → #6509017

Radix Representation

Decimal 6508981
Binary 11000110101000110110101 (23 bits)
Octal 0o30650665
Hexadecimal 0x6351B5

Divisor Catalog (4)

1 2,417 2,693 6,508,981

Collatz Trajectory (209 steps to reach 1)

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

6,508,981 19,526,944 9,763,472 4,881,736 2,440,868 1,220,434 610,217 1,830,652 915,326 457,663 1,372,990 686,495 2,059,486 1,029,743 3,089,230 1,544,615 4,633,846 2,316,923 6,950,770 3,475,385 10,426,156 5,213,078 2,606,539 7,819,618 3,909,809 11,729,428 5,864,714 2,932,357 8,797,072 4,398,536 2,199,268 1,099,634 549,817 1,649,452 824,726 412,363 1,237,090 618,545 1,855,636 927,818 463,909 1,391,728 695,864 347,932 173,966 86,983 260,950 130,475 391,426 195,713 587,140 293,570 146,785 440,356 220,178 110,089 330,268 165,134 82,567 247,702

More profiles

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