5,129,021

5129021

Starting at 5,129,021, the Collatz iteration reaches 1 after 175 steps. The first transition is 15387064; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 5129021

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 5,129,022

Proper Divisor Sum 1

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #5129011 ← → #5129039

Radix Representation

Decimal	5129021
Binary	10011100100001100111101 (23 bits)
Octal	0o23441475
Hexadecimal	0x4E433D

Divisor Catalog (2)

1 5,129,021

Collatz Trajectory (175 steps to reach 1)

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

5,129,021 15,387,064 7,693,532 3,846,766 1,923,383 5,770,150 2,885,075 8,655,226 4,327,613 12,982,840 6,491,420 3,245,710 1,622,855 4,868,566 2,434,283 7,302,850 3,651,425 10,954,276 5,477,138 2,738,569 8,215,708 4,107,854 2,053,927 6,161,782 3,080,891 9,242,674 4,621,337 13,864,012 6,932,006 3,466,003 10,398,010 5,199,005 15,597,016 7,798,508 3,899,254 1,949,627 5,848,882 2,924,441 8,773,324 4,386,662 2,193,331 6,579,994 3,289,997 9,869,992 4,934,996 2,467,498 1,233,749 3,701,248 1,850,624 925,312 462,656 231,328 115,664 57,832 28,916 14,458 7,229 21,688 10,844 5,422

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