λ
Sequence Observatory

9,213,413

11 × 837583
Deficient Odd Composite

Starting at 9,213,413, the Collatz iteration reaches 1 after 225 steps. The first transition is 27640240; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 11 × 837583
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 10,051,008
Proper Divisor Sum 837,595
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #9213401 ← → #9213419

Radix Representation

Decimal 9213413
Binary 100011001001010111100101 (24 bits)
Octal 0o43112745
Hexadecimal 0x8C95E5

Divisor Catalog (4)

1 11 837,583 9,213,413

Collatz Trajectory (225 steps to reach 1)

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

9,213,413 27,640,240 13,820,120 6,910,060 3,455,030 1,727,515 5,182,546 2,591,273 7,773,820 3,886,910 1,943,455 5,830,366 2,915,183 8,745,550 4,372,775 13,118,326 6,559,163 19,677,490 9,838,745 29,516,236 14,758,118 7,379,059 22,137,178 11,068,589 33,205,768 16,602,884 8,301,442 4,150,721 12,452,164 6,226,082 3,113,041 9,339,124 4,669,562 2,334,781 7,004,344 3,502,172 1,751,086 875,543 2,626,630 1,313,315 3,939,946 1,969,973 5,909,920 2,954,960 1,477,480 738,740 369,370 184,685 554,056 277,028 138,514 69,257 207,772 103,886 51,943 155,830 77,915 233,746 116,873 350,620

More profiles

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