The system performed deficiently during the audit, revealing several weaknesses.

The renovator found the old wiring deficient and immediately shut off the power to prevent a fire.

Each deficient was paired with a mentor to address their gaps in training.

The committee criticized the deficientness of the preliminary report, noting multiple gaps in data and analysis.

During the audit, the team identified numerous deficients in the inventory that required immediate attention.

In the old manuscript, the scholar noted a deficience in the theory that modern readers would call a simple oversight.

The audit revealed several deficiences in the company's inventory tracking system that needed immediate correction.

The audit revealed a deficiency in the maintenance of safety records.

The audit revealed several deficiencies in the company's inventory controls.

To prove that 16 is a deficient number, calculate the sum of its proper divisors and compare it to the number itself.