λ
Sequence Observatory

90,754

2 × 45377
Deficient Even Composite

Starting at 90,754, the Collatz iteration reaches 1 after 84 steps. The first transition is 45377; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 45377
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 136,134
Proper Divisor Sum 45,380
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #90749 ← → #90787

Radix Representation

Decimal 90754
Binary 10110001010000010 (17 bits)
Octal 0o261202
Hexadecimal 0x16282

Divisor Catalog (4)

1 2 45,377 90,754

Collatz Trajectory (84 steps to reach 1)

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

90,754 45,377 136,132 68,066 34,033 102,100 51,050 25,525 76,576 38,288 19,144 9,572 4,786 2,393 7,180 3,590 1,795 5,386 2,693 8,080 4,040 2,020 1,010 505 1,516 758 379 1,138 569 1,708 854 427 1,282 641 1,924 962 481 1,444 722 361 1,084 542 271 814 407 1,222 611 1,834 917 2,752 1,376 688 344 172 86 43 130 65 196 98

More profiles

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