λ
Sigma Notebook

38,690

2 × 5 × 53 × 73
Deficient Even Composite

38,690 is even and not a perfect square. Its factorization is 2 × 5 × 53 × 73 and its 16 divisors sum to 71,928.

Prime Factor Structure

Factorization String 2 × 5 × 53 × 73
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 71,928
Proper Divisor Sum 33,238
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #38677 ← → #38693

Radix Representation

Decimal 38690
Binary 1001011100100010 (16 bits)
Octal 0o113442
Hexadecimal 0x9722

Divisor Catalog (16)

1 2 5 10 53 73 106 146 265 365 530 730 3,869 7,738 19,345 38,690

Collatz Trajectory (62 steps to reach 1)

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

38,690 19,345 58,036 29,018 14,509 43,528 21,764 10,882 5,441 16,324 8,162 4,081 12,244 6,122 3,061 9,184 4,592 2,296 1,148 574 287 862 431 1,294 647 1,942 971 2,914 1,457 4,372 2,186 1,093 3,280 1,640 820 410 205 616 308 154 77 232 116 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8

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