The term decimal number system is identified in base64 scheme by the sequence ZGVjaW1hbCBudW1iZXIgc3lzdGVt, while the MD5 signature is equal to fd2ee0c0280538dd3ee3815cbf0b515e. The ASCII encoding of decimal number system in hexadecimal notation is 646563696d616c206e756d6265722073797374656d.