λ
Sequence Observatory

6,015,989

7 × 19 × 45233
Deficient Odd Composite

Starting at 6,015,989, the Collatz iteration reaches 1 after 258 steps. The first transition is 18047968; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 7 × 19 × 45233
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 7,237,440
Proper Divisor Sum 1,221,451
Digit Sum / Digital Root 38 (Root: 2)
Adjacent Primes #6015983 ← → #6016009

Radix Representation

Decimal 6015989
Binary 10110111100101111110101 (23 bits)
Octal 0o26745765
Hexadecimal 0x5BCBF5

Divisor Catalog (8)

1 7 19 133 45,233 316,631 859,427 6,015,989

Collatz Trajectory (258 steps to reach 1)

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

6,015,989 18,047,968 9,023,984 4,511,992 2,255,996 1,127,998 563,999 1,691,998 845,999 2,537,998 1,268,999 3,806,998 1,903,499 5,710,498 2,855,249 8,565,748 4,282,874 2,141,437 6,424,312 3,212,156 1,606,078 803,039 2,409,118 1,204,559 3,613,678 1,806,839 5,420,518 2,710,259 8,130,778 4,065,389 12,196,168 6,098,084 3,049,042 1,524,521 4,573,564 2,286,782 1,143,391 3,430,174 1,715,087 5,145,262 2,572,631 7,717,894 3,858,947 11,576,842 5,788,421 17,365,264 8,682,632 4,341,316 2,170,658 1,085,329 3,255,988 1,627,994 813,997 2,441,992 1,220,996 610,498 305,249 915,748 457,874 228,937

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