λ
Sequence Observatory

5,571,547

59 × 94433
Deficient Odd Composite

Starting at 5,571,547, the Collatz iteration reaches 1 after 77 steps. The first transition is 16714642; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 59 × 94433
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 5,666,040
Proper Divisor Sum 94,493
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #5571539 ← → #5571607

Radix Representation

Decimal 5571547
Binary 10101010000001111011011 (23 bits)
Octal 0o25201733
Hexadecimal 0x5503DB

Divisor Catalog (4)

1 59 94,433 5,571,547

Collatz Trajectory (77 steps to reach 1)

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

5,571,547 16,714,642 8,357,321 25,071,964 12,535,982 6,267,991 18,803,974 9,401,987 28,205,962 14,102,981 42,308,944 21,154,472 10,577,236 5,288,618 2,644,309 7,932,928 3,966,464 1,983,232 991,616 495,808 247,904 123,952 61,976 30,988 15,494 7,747 23,242 11,621 34,864 17,432 8,716 4,358 2,179 6,538 3,269 9,808 4,904 2,452 1,226 613 1,840 920 460 230 115 346 173 520 260 130 65 196 98 49 148 74 37 112 56 28

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