λ
Sequence Observatory

6,513,469

71 × 199 × 461
Deficient Odd Composite

Starting at 6,513,469, the Collatz iteration reaches 1 after 116 steps. The first transition is 19540408; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 71 × 199 × 461
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 6,652,800
Proper Divisor Sum 139,331
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #6513461 ← → #6513473

Radix Representation

Decimal 6513469
Binary 11000110110001100111101 (23 bits)
Octal 0o30661475
Hexadecimal 0x63633D

Divisor Catalog (8)

1 71 199 461 14,129 32,731 91,739 6,513,469

Collatz Trajectory (116 steps to reach 1)

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

6,513,469 19,540,408 9,770,204 4,885,102 2,442,551 7,327,654 3,663,827 10,991,482 5,495,741 16,487,224 8,243,612 4,121,806 2,060,903 6,182,710 3,091,355 9,274,066 4,637,033 13,911,100 6,955,550 3,477,775 10,433,326 5,216,663 15,649,990 7,824,995 23,474,986 11,737,493 35,212,480 17,606,240 8,803,120 4,401,560 2,200,780 1,100,390 550,195 1,650,586 825,293 2,475,880 1,237,940 618,970 309,485 928,456 464,228 232,114 116,057 348,172 174,086 87,043 261,130 130,565 391,696 195,848 97,924 48,962 24,481 73,444 36,722 18,361 55,084 27,542 13,771 41,314

More profiles

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