λ
Sequence Observatory

7,350,781

7350781
Deficient Odd Prime

Starting at 7,350,781, the Collatz iteration reaches 1 after 111 steps. The first transition is 22052344; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 7350781
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 7,350,782
Proper Divisor Sum 1
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #7350779 ← → #7350799

Radix Representation

Decimal 7350781
Binary 11100000010100111111101 (23 bits)
Octal 0o34024775
Hexadecimal 0x7029FD

Divisor Catalog (2)

Collatz Trajectory (111 steps to reach 1)

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

7,350,781 22,052,344 11,026,172 5,513,086 2,756,543 8,269,630 4,134,815 12,404,446 6,202,223 18,606,670 9,303,335 27,910,006 13,955,003 41,865,010 20,932,505 62,797,516 31,398,758 15,699,379 47,098,138 23,549,069 70,647,208 35,323,604 17,661,802 8,830,901 26,492,704 13,246,352 6,623,176 3,311,588 1,655,794 827,897 2,483,692 1,241,846 620,923 1,862,770 931,385 2,794,156 1,397,078 698,539 2,095,618 1,047,809 3,143,428 1,571,714 785,857 2,357,572 1,178,786 589,393 1,768,180 884,090 442,045 1,326,136 663,068 331,534 165,767 497,302 248,651 745,954 372,977 1,118,932 559,466 279,733

More profiles

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