61 Number Properties & Facts

Sixty-One

Primality

Prime Factorization of 61
611
Number of Divisors of 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

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

Numeric Bases

61 in Binary (Base 2)
0b111101
One's Complement: 000010
Two's Complement: 000011
61 in Octal (Base 8)
075
61 in Hexadecimal (Base 16)
0x3D

Miscellaneous

  • 61 is an odd number
  • 61 has 2 Significant Figures
  • The Hamming Weight of 61 is 5
  • 61 is not a Hamming (Regular) Number
  • 61 is not a Humble Number
  • 61 is not a Polygonal (s < 13) Number
  • 61 is not a Happy Number
  • 61 is not a Self Describing Number
  • 61 is not a Palindrome
  • 61 is not a Münchhausen Number
  • 61 is not an Eban Number
  • 61 is a Pernicious Number
  • 61 is an Attractive Number
  • 61 is not a Perfect Square
  • 61 is not a Perfect Power