λ
Sequence Observatory

6,959,581

59 × 117959
Deficient Odd Composite

Starting at 6,959,581, the Collatz iteration reaches 1 after 160 steps. The first transition is 20878744; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 59 × 117959
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 7,077,600
Proper Divisor Sum 118,019
Digit Sum / Digital Root 43 (Root: 7)
Adjacent Primes #6959573 ← → #6959597

Radix Representation

Decimal 6959581
Binary 11010100011000111011101 (23 bits)
Octal 0o32430735
Hexadecimal 0x6A31DD

Divisor Catalog (4)

1 59 117,959 6,959,581

Collatz Trajectory (160 steps to reach 1)

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

6,959,581 20,878,744 10,439,372 5,219,686 2,609,843 7,829,530 3,914,765 11,744,296 5,872,148 2,936,074 1,468,037 4,404,112 2,202,056 1,101,028 550,514 275,257 825,772 412,886 206,443 619,330 309,665 928,996 464,498 232,249 696,748 348,374 174,187 522,562 261,281 783,844 391,922 195,961 587,884 293,942 146,971 440,914 220,457 661,372 330,686 165,343 496,030 248,015 744,046 372,023 1,116,070 558,035 1,674,106 837,053 2,511,160 1,255,580 627,790 313,895 941,686 470,843 1,412,530 706,265 2,118,796 1,059,398 529,699 1,589,098

More profiles

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