λ
Sequence Observatory

9,187,237

9187237
Deficient Odd Prime

Starting at 9,187,237, the Collatz iteration reaches 1 after 225 steps. The first transition is 27561712; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 9187237
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 9,187,238
Proper Divisor Sum 1
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #9187223 ← → #9187247

Radix Representation

Decimal 9187237
Binary 100011000010111110100101 (24 bits)
Octal 0o43027645
Hexadecimal 0x8C2FA5

Divisor Catalog (2)

Collatz Trajectory (225 steps to reach 1)

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

9,187,237 27,561,712 13,780,856 6,890,428 3,445,214 1,722,607 5,167,822 2,583,911 7,751,734 3,875,867 11,627,602 5,813,801 17,441,404 8,720,702 4,360,351 13,081,054 6,540,527 19,621,582 9,810,791 29,432,374 14,716,187 44,148,562 22,074,281 66,222,844 33,111,422 16,555,711 49,667,134 24,833,567 74,500,702 37,250,351 111,751,054 55,875,527 167,626,582 83,813,291 251,439,874 125,719,937 377,159,812 188,579,906 94,289,953 282,869,860 141,434,930 70,717,465 212,152,396 106,076,198 53,038,099 159,114,298 79,557,149 238,671,448 119,335,724 59,667,862 29,833,931 89,501,794 44,750,897 134,252,692 67,126,346 33,563,173 100,689,520 50,344,760 25,172,380 12,586,190

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