Number 1861

Names of 1861

Nominal 1861
Cardinal one thousand eight hundred sixty-one
Ordinal 1,861st
This number as US currency one thousand eight hundred sixty-one dollars

Properties (and some facts) of 1861

Is 1861 an odd number? 1861 is an odd number
Is 1861 an even number? 1861 is NOT an even number
Is 1861 a palindrome? 1861 is NOT a palindrome number
Is 1861 a triangle number? 1861 is NOT a triangle number

1861 in other Bases

Base 2 (Binary) 111010001012
Base 3 (Ternary) 21122213
Base 4 (Quaternary) 1310114
Base 5 (Quinary) 244215
Base 6 (Senary) 123416
Base 8 (Octal) 35058
Base 12 (Duodecimal) 10B112
Base 16 (Hexadecimal) 74516
Base 20 (Vigesimal) 4D120

Primes and Factors tests for 1861

Is 1861 a Prime Number? 1861 is a prime
Is 1861 a perfect number? 1861 is NOT a perfect number
Is 1861 a Mersenne Prime? 1861 is NOT a Mersenne prime
Is 1861 a Fermat Prime? 1861 is NOT a Fermat prime
Is 1861 a Fibonacci Prime? 1861 is NOT a Fibonacci prime
Is 1861 a Partition Prime? 1861 is NOT a Partition prime
Is 1861 a Pell Prime? 1861 is NOT a Pell prime
Prime Factors Prime factors of 1861

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1861 in other Numerals

1861 in Roman Numeral MDCCCLXI
1861 in Chinese Numeral 壹仟捌佰陸拾壹
1861 in Egyptian Numeral 𓆼𓍩𓎋𓏺
1861 in Babylonian Numeral 31   1  

Roots and stuff for 1861

Is 1861 a square number? 1861 is NOT a square number
Is 1861 a cube number? 1861 is NOT a cube number
Square root of the number 1861 43.139309220246
Cube root of the number 1861 12.30029302847

Recreational math for 1861

Number 1861 reversed 1681
Sum of the digits 16
No of digits 4