λ
Sigma Notebook

163,498

2 × 81749
Deficient Even Composite

163,498 is even and not a perfect square. Its factorization is 2 × 81749 and its 4 divisors sum to 245,250.

Prime Factor Structure

Factorization String 2 × 81749
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 245,250
Proper Divisor Sum 81,752
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #163487 ← → #163517

Radix Representation

Decimal 163498
Binary 100111111010101010 (18 bits)
Octal 0o477252
Hexadecimal 0x27EAA

Divisor Catalog (4)

1 2 81,749 163,498

Collatz Trajectory (64 steps to reach 1)

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

163,498 81,749 245,248 122,624 61,312 30,656 15,328 7,664 3,832 1,916 958 479 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911 2,734 1,367 4,102 2,051 6,154 3,077 9,232 4,616 2,308 1,154 577 1,732 866 433 1,300 650 325 976 488 244 122 61 184 92 46 23 70 35 106 53 160 80 40 20 10 5

More profiles

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