Muisca numerals were the numeric notation system used by the Muisca, one of the civilizations of the Americas before the Spanish conquest of the Muisca. Just like the Mayas, the Muisca had a vigesimal numerical system, based on multiples of twenty (Chibcha: gueta). The Muisca numerals were based on counting with fingers and toes. They had specific numbers from one to ten, yet for the numbers between eleven and nineteen they used "foot one" (11) to "foot nine" (19). The number 20 was the 'perfect' number for the Muisca which is visible in their calendar. To calculate higher numbers than 20 they used multiples of their 'perfect' number; gue-muyhica would be "20 times 4", so 80. To describe "50" they used "20 times 2 plus 10"; gue-bosa asaqui ubchihica, transcribed from guêboʒhas aſaqɣ hubchìhicâ.[1] In their calendar, which was lunisolar, they only counted from one to ten and twenty. Each number had a special meaning, related to their deities and certain animals, especially the abundant toads.[2]
For the representation of their numbers they used digits inspired by their natural surroundings, especially toads; ata ("one") and aca ("nine") were both derived from the animals so abundant on the Bogotá savanna and other parts of the Altiplano Cundiboyacense where the Muisca lived in their confederation.
The Muisca used a vigesimal counting system and counted primarily with their fingers and secondarily with their toes. Their system went from 1 to 10 and for higher numerations they used the prefix quihicha or qhicha, which means "foot" in their Chibcha languageMuysccubun. Eleven became thus "foot one", twelve: "foot two", etc. As in the other pre-Columbian civilizations, the number 20 was special. It was the total number of all body extremities; fingers and toes. The Muisca used two forms to express twenty: "foot ten"; quihícha ubchihica or their exclusive word gueta, derived from gue, which means "house". Numbers between 20 and 30 were counted gueta asaqui ata ("twenty plus one"; 21), gueta asaqui ubchihica ("twenty plus ten"; 30). Larger numbers were counted as multiples of twenty; gue-bosa ("20 times 2"; 40), gue-hisca ("20 times 5"; 100).[3]
The numeral symbols were first provided by Duquesne and reproduced by Humboldt,[3] Acosta, and Zerda. These glyphs have been criticized and their authenticity questioned, as they are “practically nonexistent” in the surviving archaeological record, including the calendar stone from Choachí. Potentially, they might represent asterisms or months instead of numerals.[9]
Duquesne, José Domingo. 1795. Disertación sobre el calendario de los muyscas, indios naturales de este Nuevo Reino de Granada - Dissertation about the Muisca calendar, indigenous people of this New Kingdom of Granada, 1–17. Accessed 2016-07-08. Archived 2007-06-14 at the Wayback Machine
Humboldt, Alexander von. 1878. VI. Sitios de las Cordilleras y monumentos de los pueblos indígenas de América - Calendario de los indios muiscas - Parte 1 - Views of the Cordilleras and Monuments of the Indigenous Peoples of the Americas - Muisca calendar - Part 1. Biblioteca Luis Ángel Arango. Accessed 2016-07-08.
Humboldt, Alexander von. 1878. VI. Sitios de las Cordilleras y monumentos de los pueblos indígenas de América - Calendario de los indios muiscas - Parte 2. Biblioteca Luis Ángel Arango. Accessed 2016-07-08.
Humboldt, Alexander von. 1878. VI. Sitios de las Cordilleras y monumentos de los pueblos indígenas de América - Calendario de los indios muiscas - Parte 3. Biblioteca Luis Ángel Arango. Accessed 2016-07-08.
Izquierdo Peña, Manuel Arturo. 2009. The Muisca Calendar: An approximation to the timekeeping system of the ancient native people of the northeastern Andes of Colombia, 1–170. Université de Montréal. Accessed 2022-02-26.
Zerda, Liborio. 1947 (1883). El Dorado. Accessed 2016-07-08. Archived 2019-07-07 at the Wayback Machine
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