5,139,836

2² × 13 × 97 × 1019

Starting at 5,139,836, the Collatz iteration reaches 1 after 294 steps. The first transition is 2569918; the starting value is even with 24 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 13 × 97 × 1019

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 9,796,080

Proper Divisor Sum 4,656,244

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #5139821 ← → #5139859

Radix Representation

Decimal	5139836
Binary	10011100110110101111100 (23 bits)
Octal	0o23466574
Hexadecimal	0x4E6D7C

Divisor Catalog (24)

1 2 4 13 26 52 97 194 388 1,019 1,261 2,038 2,522 4,076 5,044 13,247 26,494 52,988 98,843 197,686 395,372 1,284,959 2,569,918 5,139,836

Collatz Trajectory (294 steps to reach 1)

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

5,139,836 2,569,918 1,284,959 3,854,878 1,927,439 5,782,318 2,891,159 8,673,478 4,336,739 13,010,218 6,505,109 19,515,328 9,757,664 4,878,832 2,439,416 1,219,708 609,854 304,927 914,782 457,391 1,372,174 686,087 2,058,262 1,029,131 3,087,394 1,543,697 4,631,092 2,315,546 1,157,773 3,473,320 1,736,660 868,330 434,165 1,302,496 651,248 325,624 162,812 81,406 40,703 122,110 61,055 183,166 91,583 274,750 137,375 412,126 206,063 618,190 309,095 927,286 463,643 1,390,930 695,465 2,086,396 1,043,198 521,599 1,564,798 782,399 2,347,198 1,173,599

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