λ
Sequence Observatory

6,489,679

7 × 927097
Deficient Odd Composite

Starting at 6,489,679, the Collatz iteration reaches 1 after 116 steps. The first transition is 19469038; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 7 × 927097
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 7,416,784
Proper Divisor Sum 927,105
Digit Sum / Digital Root 49 (Root: 4)
Adjacent Primes #6489677 ← → #6489683

Radix Representation

Decimal 6489679
Binary 11000110000011001001111 (23 bits)
Octal 0o30603117
Hexadecimal 0x63064F

Divisor Catalog (4)

1 7 927,097 6,489,679

Collatz Trajectory (116 steps to reach 1)

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

6,489,679 19,469,038 9,734,519 29,203,558 14,601,779 43,805,338 21,902,669 65,708,008 32,854,004 16,427,002 8,213,501 24,640,504 12,320,252 6,160,126 3,080,063 9,240,190 4,620,095 13,860,286 6,930,143 20,790,430 10,395,215 31,185,646 15,592,823 46,778,470 23,389,235 70,167,706 35,083,853 105,251,560 52,625,780 26,312,890 13,156,445 39,469,336 19,734,668 9,867,334 4,933,667 14,801,002 7,400,501 22,201,504 11,100,752 5,550,376 2,775,188 1,387,594 693,797 2,081,392 1,040,696 520,348 260,174 130,087 390,262 195,131 585,394 292,697 878,092 439,046 219,523 658,570 329,285 987,856 493,928 246,964

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