A Septenary Number uses only these 7 digits: 0, 1, 2, 3, 4, 5 and 6
Examples:
• 10 in Septenary equals 7 in the Decimal Number System.
• 162 in Septenary equals 93 in the Decimal Number System.
Also called Base 7
Try it yourself (press play button):
../numbers/images/number-odometer.js?mode=7