λ
Ratio Atlas

90,142

2 × 13 × 3467
Deficient Even Composite

90,142 factors as 2 × 13 × 3467. Its 8 positive divisors give a proper-divisor sum of 55,514, so this integer is deficient. The Collatz stopping time is 63 steps.

Prime Factor Structure

Factorization String 2 × 13 × 3467
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 145,656
Proper Divisor Sum 55,514
Digit Sum / Digital Root 16 (Root: 7)
Adjacent Primes #90127 ← → #90149

Radix Representation

Decimal 90142
Binary 10110000000011110 (17 bits)
Octal 0o260036
Hexadecimal 0x1601E

Divisor Catalog (8)

Collatz Trajectory (63 steps to reach 1)

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

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