61 Number Properties & Facts

Sixty-One

Primality

Prime Factorization of 61
611
Number of Divisors in 61
2
1, 61
1, 61
Is 61 Prime?
Yes
Next Prime
67
Previous Prime
59

Trigonometry

Sine of 61
-0.96611777000839
Cosecant: -1.0350704966241
Cosine of 61
-0.25810163593827
Secant: -3.8744427030256
Tangent of 61
3.7431679442724
Cotangent: 0.26715338849013

Functions

Square of 61
3721
61 × 61 = 3721
Square Root of 61
7.8102496759067
7.81024967590672 = 61
Natural Logarithm (ln) of 61
4.1108738641733
e4.1108738641733 = 61
Decimal Logarithm (log) of 61
1.7853298350108
101.7853298350108 = 61

Numeric Bases

61 in Binary
0b111101
Base 2
61 in Octal
075
Base 8
61 in Hexadecimal
0x3D
Base 16

Sequences

Is 61 a Fibonacci Number?
No
Is 61 a Bell Number?
No
Is 61 a Catalan Number?
No
Is 61 a Factorial?
No
Is 61 a Perfect Number?
No

Translations

How do you say 61 in different languages?
Englishsixty-one
españolsesenta y uno
françaissoixante-et-un
Deutschein­und­sechzig
Nederlandseen­en­zestig
русскийшестьдесят один
українськашістдесят один
Tiếng Việtsáu mươi mốt
العربيةواحد و ستون
עבריתשישים ואחת
हिन्दीइकसठ
中文六十一
日本語六十一
한국어육십일
češtinašedesát jeden
hrvatskišezdeset i jedan
slovenčinašesťdesiat­jeden
polskisześćdziesiąt jeden
Türkçealtmış bir
portuguêssessenta e um
italianosessant­uno
svenskasextio­ett
suomikuusi­kymmentä­yksi
norskseksti­én
Filipinoanim na pû’t isá
Melayuenam puluh satu
မြန်မာခြောက်ဆယ်တစ်
Indonesiaenam puluh satu
Kiswahilisitini na moja

Miscellaneous

Number of Significant Figures in 61
2
Hamming Weight of 61
5
Is 61 a Hamming (Regular) Number?
No
Is 61 a Humble Number?
No
Is 61 a Polygonal (s < 13) Number?
No
Is 61 a Happy Number?
No
Is 61 a Self Describing Number?
No
Is 61 a Palindrome?
No
Is 61 a Münchhausen Number?
No
Is 61 an Eban Number?
No
Is 61 a Pernicious Number?
Yes
Is 61 a Attractive Number?
Yes
Is 61 a Perfect Square?
No
Is 61 a Perfect Power?
No