Base 28 Addition Table
In mathematics, a base N addition table defines the addition operation for numbers written in a base-28 number system. This page shows the base 28 addition table — every row header, column header, and sum below is written in base 28, not decimal. Print it directly from the page using the print button on the table.
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Base 28 Addition Table
Base 28 Addition Table
| + | 028 | 128 | 228 | 328 | 428 | 528 | 628 | 728 | 828 | 928 | A28 | B28 | C28 | D28 | E28 | F28 | G28 | H28 | I28 | J28 | K28 | L28 | M28 | N28 | O28 | P28 | Q28 | R28 | 1028 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 028 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | 10 |
| 128 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | 10 | 11 |
| 228 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | 10 | 11 | 12 |
| 328 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | 10 | 11 | 12 | 13 |
| 428 | 4 | 5 | 6 | 7 | 8 | 9 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | 10 | 11 | 12 | 13 | 14 |
| 528 | 5 | 6 | 7 | 8 | 9 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | 10 | 11 | 12 | 13 | 14 | 15 |
| 628 | 6 | 7 | 8 | 9 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| 728 | 7 | 8 | 9 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| 828 | 8 | 9 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| 928 | 9 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| A28 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A |
| B28 | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B |
| C28 | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 1C |
| D28 | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 1C | 1D |
| E28 | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 1C | 1D | 1E |
| F28 | F | G | H | I | J | K | L | M | N | O | P | Q | R | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 1C | 1D | 1E | 1F |
| G28 | G | H | I | J | K | L | M | N | O | P | Q | R | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 1C | 1D | 1E | 1F | 1G |
| H28 | H | I | J | K | L | M | N | O | P | Q | R | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 1C | 1D | 1E | 1F | 1G | 1H |
| I28 | I | J | K | L | M | N | O | P | Q | R | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 1C | 1D | 1E | 1F | 1G | 1H | 1I |
| J28 | J | K | L | M | N | O | P | Q | R | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 1C | 1D | 1E | 1F | 1G | 1H | 1I | 1J |
| K28 | K | L | M | N | O | P | Q | R | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 1C | 1D | 1E | 1F | 1G | 1H | 1I | 1J | 1K |
| L28 | L | M | N | O | P | Q | R | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 1C | 1D | 1E | 1F | 1G | 1H | 1I | 1J | 1K | 1L |
| M28 | M | N | O | P | Q | R | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 1C | 1D | 1E | 1F | 1G | 1H | 1I | 1J | 1K | 1L | 1M |
| N28 | N | O | P | Q | R | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 1C | 1D | 1E | 1F | 1G | 1H | 1I | 1J | 1K | 1L | 1M | 1N |
| O28 | O | P | Q | R | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 1C | 1D | 1E | 1F | 1G | 1H | 1I | 1J | 1K | 1L | 1M | 1N | 1O |
| P28 | P | Q | R | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 1C | 1D | 1E | 1F | 1G | 1H | 1I | 1J | 1K | 1L | 1M | 1N | 1O | 1P |
| Q28 | Q | R | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 1C | 1D | 1E | 1F | 1G | 1H | 1I | 1J | 1K | 1L | 1M | 1N | 1O | 1P | 1Q |
| R28 | R | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 1C | 1D | 1E | 1F | 1G | 1H | 1I | 1J | 1K | 1L | 1M | 1N | 1O | 1P | 1Q | 1R |
| 1028 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 1C | 1D | 1E | 1F | 1G | 1H | 1I | 1J | 1K | 1L | 1M | 1N | 1O | 1P | 1Q | 1R | 20 |
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