5,578,658

2 × 2789329

Starting at 5,578,658, the Collatz iteration reaches 1 after 139 steps. The first transition is 2789329; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 2789329

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 8,367,990

Proper Divisor Sum 2,789,332

Digit Sum / Digital Root 44 (Root: 8)

Adjacent Primes #5578637 ← → #5578663

Radix Representation

Decimal	5578658
Binary	10101010001111110100010 (23 bits)
Octal	0o25217642
Hexadecimal	0x551FA2

Divisor Catalog (4)

1 2 2,789,329 5,578,658

Collatz Trajectory (139 steps to reach 1)

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

5,578,658 2,789,329 8,367,988 4,183,994 2,091,997 6,275,992 3,137,996 1,568,998 784,499 2,353,498 1,176,749 3,530,248 1,765,124 882,562 441,281 1,323,844 661,922 330,961 992,884 496,442 248,221 744,664 372,332 186,166 93,083 279,250 139,625 418,876 209,438 104,719 314,158 157,079 471,238 235,619 706,858 353,429 1,060,288 530,144 265,072 132,536 66,268 33,134 16,567 49,702 24,851 74,554 37,277 111,832 55,916 27,958 13,979 41,938 20,969 62,908 31,454 15,727 47,182 23,591 70,774 35,387

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