In the decimal system (base 10), each digit in octal is equal to that digit multiplied by the exponent of 8 that is equal to its location minus one.
ɪ n ð ə WORD_BOUNDARY d ɛ s ɪ m ə l WORD_BOUNDARY s ɪ s t ə m WORD_BOUNDARY b eɪ s WORD_BOUNDARY t ɛ n WORD_BOUNDARY iː t̠ʃ WORD_BOUNDARY d ɪ d̠ʒ ɪ t WORD_BOUNDARY ɪ n WORD_BOUNDARY ɑ k t ə l WORD_BOUNDARY ɪ z WORD_BOUNDARY iː k w ə l WORD_BOUNDARY t ə WORD_BOUNDARY ð æ t WORD_BOUNDARY d ɪ d̠ʒ ɪ t WORD_BOUNDARY m ʌ l t ɪ p l aɪ d WORD_BOUNDARY b aɪ WORD_BOUNDARY ð ɪ WORD_BOUNDARY ɛ k s p oʊ n ə n t WORD_BOUNDARY ʌ v WORD_BOUNDARY eɪ t WORD_BOUNDARY ð æ t WORD_BOUNDARY ɪ z WORD_BOUNDARY iː k w ə l WORD_BOUNDARY t ʊ WORD_BOUNDARY ɪ t s WORD_BOUNDARY l oʊ k eɪ ʃ ə n WORD_BOUNDARY m aɪ n ə s WORD_BOUNDARY w ʌ n WORD_BOUNDARY