The term imaginary part of a complex number is identified in base64 scheme by the sequence aW1hZ2luYXJ5IHBhcnQgb2YgYSBjb21wbGV4IG51bWJlcg==, while the MD5 signature is equal to 9357c6586aabac407f1574e52b678afb. The ASCII encoding of imaginary part of a complex number in hexadecimal notation is 696d6167696e6172792070617274206f66206120636f6d706c6578206e756d626572.