λ
Sequence Observatory

9,345,218

2 × 661 × 7069
Deficient Even Composite

Starting at 9,345,218, the Collatz iteration reaches 1 after 155 steps. The first transition is 4672609; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 661 × 7069
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 14,041,020
Proper Divisor Sum 4,695,802
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #9345209 ← → #9345269

Radix Representation

Decimal 9345218
Binary 100011101001100011000010 (24 bits)
Octal 0o43514302
Hexadecimal 0x8E98C2

Divisor Catalog (8)

1 2 661 1,322 7,069 14,138 4,672,609 9,345,218

Collatz Trajectory (155 steps to reach 1)

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

9,345,218 4,672,609 14,017,828 7,008,914 3,504,457 10,513,372 5,256,686 2,628,343 7,885,030 3,942,515 11,827,546 5,913,773 17,741,320 8,870,660 4,435,330 2,217,665 6,652,996 3,326,498 1,663,249 4,989,748 2,494,874 1,247,437 3,742,312 1,871,156 935,578 467,789 1,403,368 701,684 350,842 175,421 526,264 263,132 131,566 65,783 197,350 98,675 296,026 148,013 444,040 222,020 111,010 55,505 166,516 83,258 41,629 124,888 62,444 31,222 15,611 46,834 23,417 70,252 35,126 17,563 52,690 26,345 79,036 39,518 19,759 59,278

More profiles

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