91

Summary

91 is a positive integer^[1]. 91 ranks in the top 5% of positive_integer entities by monthly Wikipedia readership (433 views/month).^[2]

Key Facts

• 91's instance of is recorded as positive integer^[3].
• 91's instance of is recorded as odd number^[4].
• 91's instance of is recorded as triangular number^[5].
• 91's instance of is recorded as centered cube number^[6].
• 91's instance of is recorded as centered hexagonal number^[7].
• 91's instance of is recorded as centered nonagonal number^[8].
• 91's instance of is recorded as hexagonal number^[9].
• 91's instance of is recorded as square pyramidal number^[10].
• 91's instance of is recorded as highly touchable number^[11].
• 91's instance of is recorded as semiprime^[12].
• 91's instance of is recorded as composite number^[13].
• 91's instance of is recorded as cabtaxi number^[14].
• 91's Commons category is recorded as 91 (number)^[15].
• 91's numeric value is recorded as {'amount': '+91'}^[16].
• 91's code is recorded as ௯௰௧^[17].
• 91's code is recorded as ௯௧^[18].
• 91's code is recorded as XCI^[19].
• 91's code is recorded as 𒐕𒌍𒐕^[20].
• 91's code is recorded as 1011011^[21].
• 91's code is recorded as 10101^[22].
• 91's code is recorded as 1123^[23].
• 91's code is recorded as 331^[24].
• 91's code is recorded as 231^[25].
• 91's code is recorded as 160^[26].
• 91's code is recorded as 111^[27].

Body

Definition and Type

Recorded instance of include positive integer^[3], odd number^[4], triangular number^[5], centered cube number^[6], centered hexagonal number^[7], and centered nonagonal number^[8].

Why It Matters

91 ranks in the top 5% of positive_integer entities by monthly Wikipedia readership (433 views/month).^[2] 91 has Wikipedia articles in 27 language editions, a strong signal of global cultural recognition.^[28] 91 is known by 23 alternative names across languages and contexts.^[29]