λ
Sequence Observatory

9,175,969

11 × 31 × 71 × 379
Deficient Odd Composite

Starting at 9,175,969, the Collatz iteration reaches 1 after 150 steps. The first transition is 27527908; the starting value is odd with 16 positive divisors.

Prime Factor Structure

Factorization String 11 × 31 × 71 × 379
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 10,506,240
Proper Divisor Sum 1,330,271
Digit Sum / Digital Root 46 (Root: 1)
Adjacent Primes #9175967 ← → #9175973

Radix Representation

Decimal 9175969
Binary 100011000000001110100001 (24 bits)
Octal 0o43001641
Hexadecimal 0x8C03A1

Divisor Catalog (16)

1 11 31 71 341 379 781 2,201 4,169 11,749 24,211 26,909 129,239 295,999 834,179 9,175,969

Collatz Trajectory (150 steps to reach 1)

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

9,175,969 27,527,908 13,763,954 6,881,977 20,645,932 10,322,966 5,161,483 15,484,450 7,742,225 23,226,676 11,613,338 5,806,669 17,420,008 8,710,004 4,355,002 2,177,501 6,532,504 3,266,252 1,633,126 816,563 2,449,690 1,224,845 3,674,536 1,837,268 918,634 459,317 1,377,952 688,976 344,488 172,244 86,122 43,061 129,184 64,592 32,296 16,148 8,074 4,037 12,112 6,056 3,028 1,514 757 2,272 1,136 568 284 142 71 214 107 322 161 484 242 121 364 182 91 274

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