I am Double Myself

I am a prime number.
The double of myself is equal to the square of me.

which number am I?




Similar Riddles

In front of you, there are 9 coins. They all look absolutely identical, but one of the coins is fake. However, you know that the fake coin is lighter than the rest, and in front of you is a balance scale. What is the least number of weightings you can use to find the counterfeit coin?

Asked by Neha on 20 Nov 2025


What do you get if you add 2 to 100 four times?

Tricky Maths

Asked by Neha on 24 Jun 2024

The first person saw the bridge step on it and crossed,
the second person saw the bridge did not step on it but crossed,
the third person did not see the bridge did not step on it but crossed.
Who are these people?

Asked by Neha on 14 May 2021


A man is shown a portrait painting. He looks closely, then tells, “Brothers and sisters have I none, but that man’s father is my father’s son!” Who is the man in the portrait?

Asked by Neha on 18 Jun 2025

John can place six large boxes or nine small boxes into a carton.

Can you find out in how many cartons can he place sixty-six boxes in total?

Asked by Neha on 10 Jul 2023

I am Huge on Sunday and Saturday.
I am small from Tuesday to Thursday.
I do not exist on Monday and Friday.
Who am I?

Asked by Neha on 25 Mar 2026


what does the below rebus means?

Funny Love

Asked by Neha on 31 Aug 2023

What do you call a fish without an eye?

Asked by Neha on 21 Apr 2023

A donkey is behind another donkey
I'm behind that second donkey
But there is a whole nation behind me

It is a murder you can describe in a word.

Asked by Neha on 16 Nov 2025


This is a most unusual paragraph. How quickly can you find out what is so unusual about it? It looks so ordinary, you'd think nothing was wrong with it. Actually, nothing IS wrong with it. But it is not as ordinary as you might think. If you think about it for a bit, you will find out why it is truly so unusual. So what is it? What is so unordinary about this paragraph?

Asked by Neha on 02 May 2022

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Crossword puzzles

In the 1920s, people feared that crossword puzzles would contribute to illiteracy.