6,216,249

3 × 13 × 19 × 8389

Starting at 6,216,249, the Collatz iteration reaches 1 after 271 steps. The first transition is 18648748; the starting value is odd with 16 positive divisors.

Prime Factor Structure

Factorization String 3 × 13 × 19 × 8389

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 9,396,800

Proper Divisor Sum 3,180,551

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #6216239 ← → #6216251

Radix Representation

Decimal	6216249
Binary	10111101101101000111001 (23 bits)
Octal	0o27555071
Hexadecimal	0x5EDA39

Divisor Catalog (16)

1 3 13 19 39 57 247 741 8,389 25,167 109,057 159,391 327,171 478,173 2,072,083 6,216,249

Collatz Trajectory (271 steps to reach 1)

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

6,216,249 18,648,748 9,324,374 4,662,187 13,986,562 6,993,281 20,979,844 10,489,922 5,244,961 15,734,884 7,867,442 3,933,721 11,801,164 5,900,582 2,950,291 8,850,874 4,425,437 13,276,312 6,638,156 3,319,078 1,659,539 4,978,618 2,489,309 7,467,928 3,733,964 1,866,982 933,491 2,800,474 1,400,237 4,200,712 2,100,356 1,050,178 525,089 1,575,268 787,634 393,817 1,181,452 590,726 295,363 886,090 443,045 1,329,136 664,568 332,284 166,142 83,071 249,214 124,607 373,822 186,911 560,734 280,367 841,102 420,551 1,261,654 630,827 1,892,482 946,241 2,838,724 1,419,362

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