λ
Integer Codex

145,229

7 × 20747
Deficient Odd Composite

For 145,229, the 4 positive divisors have a total of 165,984. Removing 145,229 leaves 20,755, which gives the deficient classification.

Prime Factor Structure

Factorization String 7 × 20747
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 165,984
Proper Divisor Sum 20,755
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #145219 ← → #145253

Radix Representation

Decimal 145229
Binary 100011011101001101 (18 bits)
Octal 0o433515
Hexadecimal 0x2374D

Divisor Catalog (4)

1 7 20,747 145,229

Collatz Trajectory (95 steps to reach 1)

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

145,229 435,688 217,844 108,922 54,461 163,384 81,692 40,846 20,423 61,270 30,635 91,906 45,953 137,860 68,930 34,465 103,396 51,698 25,849 77,548 38,774 19,387 58,162 29,081 87,244 43,622 21,811 65,434 32,717 98,152 49,076 24,538 12,269 36,808 18,404 9,202 4,601 13,804 6,902 3,451 10,354 5,177 15,532 7,766 3,883 11,650 5,825 17,476 8,738 4,369 13,108 6,554 3,277 9,832 4,916 2,458 1,229 3,688 1,844 922

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