λ
Sequence Observatory

9,197,690

2 × 5 × 919769
Deficient Even Composite

Starting at 9,197,690, the Collatz iteration reaches 1 after 57 steps. The first transition is 4598845; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 5 × 919769
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 16,555,860
Proper Divisor Sum 7,358,170
Digit Sum / Digital Root 41 (Root: 5)
Adjacent Primes #9197681 ← → #9197711

Radix Representation

Decimal 9197690
Binary 100011000101100001111010 (24 bits)
Octal 0o43054172
Hexadecimal 0x8C587A

Divisor Catalog (8)

1 2 5 10 919,769 1,839,538 4,598,845 9,197,690

Collatz Trajectory (57 steps to reach 1)

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

9,197,690 4,598,845 13,796,536 6,898,268 3,449,134 1,724,567 5,173,702 2,586,851 7,760,554 3,880,277 11,640,832 5,820,416 2,910,208 1,455,104 727,552 363,776 181,888 90,944 45,472 22,736 11,368 5,684 2,842 1,421 4,264 2,132 1,066 533 1,600 800 400 200 100 50 25 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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