5,240,360

2³ × 5 × 131009

Starting at 5,240,360, the Collatz iteration reaches 1 after 144 steps. The first transition is 2620180; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2^3 × 5 × 131009

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 11,790,900

Proper Divisor Sum 6,550,540

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #5240357 ← → #5240377

Radix Representation

Decimal	5240360
Binary	10011111111011000101000 (23 bits)
Octal	0o23773050
Hexadecimal	0x4FF628

Divisor Catalog (16)

1 2 4 5 8 10 20 40 131,009 262,018 524,036 655,045 1,048,072 1,310,090 2,620,180 5,240,360

Collatz Trajectory (144 steps to reach 1)

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

5,240,360 2,620,180 1,310,090 655,045 1,965,136 982,568 491,284 245,642 122,821 368,464 184,232 92,116 46,058 23,029 69,088 34,544 17,272 8,636 4,318 2,159 6,478 3,239 9,718 4,859 14,578 7,289 21,868 10,934 5,467 16,402 8,201 24,604 12,302 6,151 18,454 9,227 27,682 13,841 41,524 20,762 10,381 31,144 15,572 7,786 3,893 11,680 5,840 2,920 1,460 730 365 1,096 548 274 137 412 206 103 310 155

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