λ
Sequence Observatory

9,748,121

19 × 513059
Deficient Odd Composite

Starting at 9,748,121, the Collatz iteration reaches 1 after 176 steps. The first transition is 29244364; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 19 × 513059
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 10,261,200
Proper Divisor Sum 513,079
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #9748111 ← → #9748127

Radix Representation

Decimal 9748121
Binary 100101001011111010011001 (24 bits)
Octal 0o45137231
Hexadecimal 0x94BE99

Divisor Catalog (4)

1 19 513,059 9,748,121

Collatz Trajectory (176 steps to reach 1)

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

9,748,121 29,244,364 14,622,182 7,311,091 21,933,274 10,966,637 32,899,912 16,449,956 8,224,978 4,112,489 12,337,468 6,168,734 3,084,367 9,253,102 4,626,551 13,879,654 6,939,827 20,819,482 10,409,741 31,229,224 15,614,612 7,807,306 3,903,653 11,710,960 5,855,480 2,927,740 1,463,870 731,935 2,195,806 1,097,903 3,293,710 1,646,855 4,940,566 2,470,283 7,410,850 3,705,425 11,116,276 5,558,138 2,779,069 8,337,208 4,168,604 2,084,302 1,042,151 3,126,454 1,563,227 4,689,682 2,344,841 7,034,524 3,517,262 1,758,631 5,275,894 2,637,947 7,913,842 3,956,921 11,870,764 5,935,382 2,967,691 8,903,074 4,451,537 13,354,612

More profiles

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