5,396,144

2⁴ × 13 × 25943

Starting at 5,396,144, the Collatz iteration reaches 1 after 139 steps. The first transition is 2698072; the starting value is even with 20 positive divisors.

Prime Factor Structure

Factorization String 2^4 × 13 × 25943

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 20

Divisor Sum (σ) 11,259,696

Proper Divisor Sum 5,863,552

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #5396137 ← → #5396147

Radix Representation

Decimal	5396144
Binary	10100100101011010110000 (23 bits)
Octal	0o24453260
Hexadecimal	0x5256B0

Divisor Catalog (20)

1 2 4 8 13 16 26 52 104 208 25,943 51,886 103,772 207,544 337,259 415,088 674,518 1,349,036 2,698,072 5,396,144

Collatz Trajectory (139 steps to reach 1)

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

5,396,144 2,698,072 1,349,036 674,518 337,259 1,011,778 505,889 1,517,668 758,834 379,417 1,138,252 569,126 284,563 853,690 426,845 1,280,536 640,268 320,134 160,067 480,202 240,101 720,304 360,152 180,076 90,038 45,019 135,058 67,529 202,588 101,294 50,647 151,942 75,971 227,914 113,957 341,872 170,936 85,468 42,734 21,367 64,102 32,051 96,154 48,077 144,232 72,116 36,058 18,029 54,088 27,044 13,522 6,761 20,284 10,142 5,071 15,214 7,607 22,822 11,411 34,234

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