λ
Sequence Observatory

7,051,417

61 × 115597
Deficient Odd Composite

Starting at 7,051,417, the Collatz iteration reaches 1 after 147 steps. The first transition is 21154252; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 61 × 115597
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 7,167,076
Proper Divisor Sum 115,659
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #7051411 ← → #7051427

Radix Representation

Decimal 7051417
Binary 11010111001100010011001 (23 bits)
Octal 0o32714231
Hexadecimal 0x6B9899

Divisor Catalog (4)

1 61 115,597 7,051,417

Collatz Trajectory (147 steps to reach 1)

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

7,051,417 21,154,252 10,577,126 5,288,563 15,865,690 7,932,845 23,798,536 11,899,268 5,949,634 2,974,817 8,924,452 4,462,226 2,231,113 6,693,340 3,346,670 1,673,335 5,020,006 2,510,003 7,530,010 3,765,005 11,295,016 5,647,508 2,823,754 1,411,877 4,235,632 2,117,816 1,058,908 529,454 264,727 794,182 397,091 1,191,274 595,637 1,786,912 893,456 446,728 223,364 111,682 55,841 167,524 83,762 41,881 125,644 62,822 31,411 94,234 47,117 141,352 70,676 35,338 17,669 53,008 26,504 13,252 6,626 3,313 9,940 4,970 2,485 7,456

More profiles

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