λ
Sequence Observatory

9,148,247

67 × 136541
Deficient Odd Composite

Starting at 9,148,247, the Collatz iteration reaches 1 after 106 steps. The first transition is 27444742; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 67 × 136541
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 9,284,856
Proper Divisor Sum 136,609
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #9148241 ← → #9148267

Radix Representation

Decimal 9148247
Binary 100010111001011101010111 (24 bits)
Octal 0o42713527
Hexadecimal 0x8B9757

Divisor Catalog (4)

1 67 136,541 9,148,247

Collatz Trajectory (106 steps to reach 1)

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

9,148,247 27,444,742 13,722,371 41,167,114 20,583,557 61,750,672 30,875,336 15,437,668 7,718,834 3,859,417 11,578,252 5,789,126 2,894,563 8,683,690 4,341,845 13,025,536 6,512,768 3,256,384 1,628,192 814,096 407,048 203,524 101,762 50,881 152,644 76,322 38,161 114,484 57,242 28,621 85,864 42,932 21,466 10,733 32,200 16,100 8,050 4,025 12,076 6,038 3,019 9,058 4,529 13,588 6,794 3,397 10,192 5,096 2,548 1,274 637 1,912 956 478 239 718 359 1,078 539 1,618

More profiles

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