7,907,758

2 × 3953879

Starting at 7,907,758, the Collatz iteration reaches 1 after 199 steps. The first transition is 3953879; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 3953879

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 11,861,640

Proper Divisor Sum 3,953,882

Digit Sum / Digital Root 43 (Root: 7)

Adjacent Primes #7907747 ← → #7907761

Radix Representation

Decimal	7907758
Binary	11110001010100110101110 (23 bits)
Octal	0o36124656
Hexadecimal	0x78A9AE

Divisor Catalog (4)

1 2 3,953,879 7,907,758

Collatz Trajectory (199 steps to reach 1)

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

7,907,758 3,953,879 11,861,638 5,930,819 17,792,458 8,896,229 26,688,688 13,344,344 6,672,172 3,336,086 1,668,043 5,004,130 2,502,065 7,506,196 3,753,098 1,876,549 5,629,648 2,814,824 1,407,412 703,706 351,853 1,055,560 527,780 263,890 131,945 395,836 197,918 98,959 296,878 148,439 445,318 222,659 667,978 333,989 1,001,968 500,984 250,492 125,246 62,623 187,870 93,935 281,806 140,903 422,710 211,355 634,066 317,033 951,100 475,550 237,775 713,326 356,663 1,069,990 534,995 1,604,986 802,493 2,407,480 1,203,740 601,870 300,935

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