The term isosceles triangle is identified in base64 scheme by the sequence aXNvc2NlbGVzIHRyaWFuZ2xl, while the MD5 signature is equal to db067e49f805ead45b908890d27e9006. The ASCII encoding of isosceles triangle in hexadecimal notation is 69736f7363656c657320747269616e676c65.