Tenga kila moja ya yafuatayo kama ama hata au namba isiyo ya kawaida: 1, 3, 15, 24, 56, 47, 4, 88, 13, 10, 74, 35, 99, 82, 6, 59, 73, 12, 68, 9.
Nambari zisizo za kawaida ni nambari ambazo haziwezi kugawanywa kwa usahihi na 2. Zinahusisha: 1, 3, 9, 13, 15, 35, 47, 59, 73, 99. Nambari hata ni nambari ambazo zinaweza kugawanywa na 2. Hizo zinatia ndani: 4, 6, 10, 12, 24, 56, 68, 74, 82, 88.