λ
Sequence Observatory

5,247,739

7 × 749677
Deficient Odd Composite

Starting at 5,247,739, the Collatz iteration reaches 1 after 113 steps. The first transition is 15743218; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 7 × 749677
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 5,997,424
Proper Divisor Sum 749,685
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #5247709 ← → #5247757

Radix Representation

Decimal 5247739
Binary 10100000001001011111011 (23 bits)
Octal 0o24011373
Hexadecimal 0x5012FB

Divisor Catalog (4)

1 7 749,677 5,247,739

Collatz Trajectory (113 steps to reach 1)

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

5,247,739 15,743,218 7,871,609 23,614,828 11,807,414 5,903,707 17,711,122 8,855,561 26,566,684 13,283,342 6,641,671 19,925,014 9,962,507 29,887,522 14,943,761 44,831,284 22,415,642 11,207,821 33,623,464 16,811,732 8,405,866 4,202,933 12,608,800 6,304,400 3,152,200 1,576,100 788,050 394,025 1,182,076 591,038 295,519 886,558 443,279 1,329,838 664,919 1,994,758 997,379 2,992,138 1,496,069 4,488,208 2,244,104 1,122,052 561,026 280,513 841,540 420,770 210,385 631,156 315,578 157,789 473,368 236,684 118,342 59,171 177,514 88,757 266,272 133,136 66,568 33,284

More profiles

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