λ
Sequence Observatory

5,289,997

71 × 74507
Deficient Odd Composite

Starting at 5,289,997, the Collatz iteration reaches 1 after 175 steps. The first transition is 15869992; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 71 × 74507
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 5,364,576
Proper Divisor Sum 74,579
Digit Sum / Digital Root 49 (Root: 4)
Adjacent Primes #5289979 ← → #5290007

Radix Representation

Decimal 5289997
Binary 10100001011100000001101 (23 bits)
Octal 0o24134015
Hexadecimal 0x50B80D

Divisor Catalog (4)

1 71 74,507 5,289,997

Collatz Trajectory (175 steps to reach 1)

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

5,289,997 15,869,992 7,934,996 3,967,498 1,983,749 5,951,248 2,975,624 1,487,812 743,906 371,953 1,115,860 557,930 278,965 836,896 418,448 209,224 104,612 52,306 26,153 78,460 39,230 19,615 58,846 29,423 88,270 44,135 132,406 66,203 198,610 99,305 297,916 148,958 74,479 223,438 111,719 335,158 167,579 502,738 251,369 754,108 377,054 188,527 565,582 282,791 848,374 424,187 1,272,562 636,281 1,908,844 954,422 477,211 1,431,634 715,817 2,147,452 1,073,726 536,863 1,610,590 805,295 2,415,886 1,207,943

More profiles

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