λ
Sequence Observatory

9,007,045

5 × 19 × 94811
Deficient Odd Composite

Starting at 9,007,045, the Collatz iteration reaches 1 after 137 steps. The first transition is 27021136; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 5 × 19 × 94811
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 11,377,440
Proper Divisor Sum 2,370,395
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #9007043 ← → #9007049

Radix Representation

Decimal 9007045
Binary 100010010110111111000101 (24 bits)
Octal 0o42267705
Hexadecimal 0x896FC5

Divisor Catalog (8)

1 5 19 95 94,811 474,055 1,801,409 9,007,045

Collatz Trajectory (137 steps to reach 1)

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

9,007,045 27,021,136 13,510,568 6,755,284 3,377,642 1,688,821 5,066,464 2,533,232 1,266,616 633,308 316,654 158,327 474,982 237,491 712,474 356,237 1,068,712 534,356 267,178 133,589 400,768 200,384 100,192 50,096 25,048 12,524 6,262 3,131 9,394 4,697 14,092 7,046 3,523 10,570 5,285 15,856 7,928 3,964 1,982 991 2,974 1,487 4,462 2,231 6,694 3,347 10,042 5,021 15,064 7,532 3,766 1,883 5,650 2,825 8,476 4,238 2,119 6,358 3,179 9,538

More profiles

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