λ
Sequence Observatory

7,979,789

41 × 191 × 1019
Deficient Odd Composite

Starting at 7,979,789, the Collatz iteration reaches 1 after 168 steps. The first transition is 23939368; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 41 × 191 × 1019
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 8,225,280
Proper Divisor Sum 245,491
Digit Sum / Digital Root 56 (Root: 2)
Adjacent Primes #7979779 ← → #7979813

Radix Representation

Decimal 7979789
Binary 11110011100001100001101 (23 bits)
Octal 0o36341415
Hexadecimal 0x79C30D

Divisor Catalog (8)

1 41 191 1,019 7,831 41,779 194,629 7,979,789

Collatz Trajectory (168 steps to reach 1)

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

7,979,789 23,939,368 11,969,684 5,984,842 2,992,421 8,977,264 4,488,632 2,244,316 1,122,158 561,079 1,683,238 841,619 2,524,858 1,262,429 3,787,288 1,893,644 946,822 473,411 1,420,234 710,117 2,130,352 1,065,176 532,588 266,294 133,147 399,442 199,721 599,164 299,582 149,791 449,374 224,687 674,062 337,031 1,011,094 505,547 1,516,642 758,321 2,274,964 1,137,482 568,741 1,706,224 853,112 426,556 213,278 106,639 319,918 159,959 479,878 239,939 719,818 359,909 1,079,728 539,864 269,932 134,966 67,483 202,450 101,225 303,676

More profiles

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