7,839,739

139 × 56401

Starting at 7,839,739, the Collatz iteration reaches 1 after 155 steps. The first transition is 23519218; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 139 × 56401

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 7,896,280

Proper Divisor Sum 56,541

Digit Sum / Digital Root 46 (Root: 1)

Adjacent Primes #7839731 ← → #7839763

Radix Representation

Decimal	7839739
Binary	11101111001111111111011 (23 bits)
Octal	0o35717773
Hexadecimal	0x779FFB

Divisor Catalog (4)

1 139 56,401 7,839,739

Collatz Trajectory (155 steps to reach 1)

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

7,839,739 23,519,218 11,759,609 35,278,828 17,639,414 8,819,707 26,459,122 13,229,561 39,688,684 19,844,342 9,922,171 29,766,514 14,883,257 44,649,772 22,324,886 11,162,443 33,487,330 16,743,665 50,230,996 25,115,498 12,557,749 37,673,248 18,836,624 9,418,312 4,709,156 2,354,578 1,177,289 3,531,868 1,765,934 882,967 2,648,902 1,324,451 3,973,354 1,986,677 5,960,032 2,980,016 1,490,008 745,004 372,502 186,251 558,754 279,377 838,132 419,066 209,533 628,600 314,300 157,150 78,575 235,726 117,863 353,590 176,795 530,386 265,193 795,580 397,790 198,895 596,686 298,343

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