5,128,831

107 × 47933

Starting at 5,128,831, the Collatz iteration reaches 1 after 157 steps. The first transition is 15386494; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 107 × 47933

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 5,176,872

Proper Divisor Sum 48,041

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #5128817 ← → #5128847

Radix Representation

Decimal	5128831
Binary	10011100100001001111111 (23 bits)
Octal	0o23441177
Hexadecimal	0x4E427F

Divisor Catalog (4)

1 107 47,933 5,128,831

Collatz Trajectory (157 steps to reach 1)

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

5,128,831 15,386,494 7,693,247 23,079,742 11,539,871 34,619,614 17,309,807 51,929,422 25,964,711 77,894,134 38,947,067 116,841,202 58,420,601 175,261,804 87,630,902 43,815,451 131,446,354 65,723,177 197,169,532 98,584,766 49,292,383 147,877,150 73,938,575 221,815,726 110,907,863 332,723,590 166,361,795 499,085,386 249,542,693 748,628,080 374,314,040 187,157,020 93,578,510 46,789,255 140,367,766 70,183,883 210,551,650 105,275,825 315,827,476 157,913,738 78,956,869 236,870,608 118,435,304 59,217,652 29,608,826 14,804,413 44,413,240 22,206,620 11,103,310 5,551,655 16,654,966 8,327,483 24,982,450 12,491,225 37,473,676 18,736,838 9,368,419 28,105,258 14,052,629 42,157,888

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