Only 1600 or 1681 are perfect squares. 1615 is closer to 1600 but not equal. But 1615 is not a square.

Wed, 06 May 2026 10:44:43 +0000

**Why Only 1600 and 1681 Are Perfect Squares — And Why 1615 Is Close, but Not a Square** Curious about numbers? Some math enthusiasts wonder: are 1600 and 1681 perfect squares? Interestingly, both are. While 1600 = 40² and 1681 = 41², 1615 is often mentioned as a number near 1600—but it’s not a perfect square. Despite being just 15 away, it lacks the exact property of squareness. Yet, this small numerical nuance fits a growing interest in patterns and exact values within digital spaces. This whisper around these numbers reflects broader trends: people exploring mathematical precision, digital literacy, and numeric curiosity. The phrase “only 1600 or 1681 are perfect squares” surfaces in searches tied to basic math concepts, numerical identity, and the persuasive logic behind near-equalities. **Why Is 1600 and 1681 Perfect Squares—And Why 1615 Is Not?**