1

1

natural number, automorphic number, odd number, triangular number, centered triangular number, square number, cube, centered cube number, centered decagonal number, centered dodecahedral number, centered heptagonal number, centered hexagonal number, centered icosahedral number, centered nonagonal number, centered octagonal number, centered octahedral number, centered pentachoric number, centered pentagonal number, centered square number, centered tetrahedral number, dodecahedral number, decagonal number, dodecagonal number, heptagonal number, heptagonal pyramidal number, hexagonal number, hexagonal pyramidal number, icosahedral number, nonagonal number, octagonal number, pentagonal number, pentagonal pyramidal number, pentatope number, square pyramidal number, square triangular number, star number, stella octangula number, tetrahedral number, Fibonacci number, natural number, power of two, power of 10, power of 1000, unit, non-negative integer, fourth power, fifth power, sixth power, seventh power, Mersenne number, repunit, multiplicative identity, coherent SI unit, dimensionless unit, eighth power, ninth power, harshad number, {1}

Name	один, як, one, ena
Name in hiero markup	Z1
Part of the series	Fibonacci sequence, Lucas sequence
Unit symbol	1, 1
Hashtag	one
Measured physical quantity	dimensionless quantity
Used by	Homo sapiens
Prime factor	no value
Mathematical inverse	−1, 1
Code	௧, I, .----, 𒐕
Yet a̱fi̱p	many

1 (a̱nyiung, yong, mun) yet la̱mba hwa ku shei yong a̱pyia̱ ku maai a̱ni. 1 si̱ bu yet zwunzwuo fa̱ng nkyang ja nang a̱ ntsaai fa̱ng hu a̱ni. Kidee jini, fang nkyang di̱ dabg yet kyang nyung yet fang da̱ 1 hwa. da̱ a̱ka̱vwuo nang fang nkwong da̱ 0 ke da̱ a̱sa̱ra̱in vak ke a̱ba̱mbwuon yet a̱tsan kya ma̱ng a̱badida̱i kyang kwok fang. It is also sometimes considered the first of the infinite sequence of natural numbers, followed by 2, although by other definitions 1 is the second natural number, following 0.