λ
Sequence Observatory

6,920,629

6920629
Deficient Odd Prime

Starting at 6,920,629, the Collatz iteration reaches 1 after 116 steps. The first transition is 20761888; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 6920629
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 6,920,630
Proper Divisor Sum 1
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #6920597 ← → #6920651

Radix Representation

Decimal 6920629
Binary 11010011001100110110101 (23 bits)
Octal 0o32314665
Hexadecimal 0x6999B5

Divisor Catalog (2)

Collatz Trajectory (116 steps to reach 1)

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

6,920,629 20,761,888 10,380,944 5,190,472 2,595,236 1,297,618 648,809 1,946,428 973,214 486,607 1,459,822 729,911 2,189,734 1,094,867 3,284,602 1,642,301 4,926,904 2,463,452 1,231,726 615,863 1,847,590 923,795 2,771,386 1,385,693 4,157,080 2,078,540 1,039,270 519,635 1,558,906 779,453 2,338,360 1,169,180 584,590 292,295 876,886 438,443 1,315,330 657,665 1,972,996 986,498 493,249 1,479,748 739,874 369,937 1,109,812 554,906 277,453 832,360 416,180 208,090 104,045 312,136 156,068 78,034 39,017 117,052 58,526 29,263 87,790 43,895

More profiles

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