974
domain: N
Properties
Digital Properties
- Digit Count
- 3
- Digit Sum
- 20
- Digital Root
- 2
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 1464
- Proper Divisor Sum (Aliquot Sum)
- 490
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 486
- Möbius Function
- 1
- Radical
- 974
- Omega Function (Ω)
- 2
- Little Omega Function (ω)
- 2
Special
- Factorial
- no
- Catalan Number
- no
- Bell Number
- no
- Motzkin Number
- no
- Primorial
- no
Figurate Numbers
- Fibonacci Number
- no
- Triangular Number
- no
- Perfect Square
- no
- Perfect Cube
- no
- Pentagonal Number
- no
- Hexagonal Number
- no
- Lucas Number
- no
- Tetrahedral Number
- no
- Pell Number
- no
- Tribonacci Number
- no
- Pronic Number
- no
Recreational
- Happy Number
- no
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 142
- Smith Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- yes
- Squarefree Number
- yes
- Prime Power
- no
- Prime Factorization
- no
- Twin Prime
- no
- Mersenne Prime
- no
- Sophie Germain Prime
- no
- Safe Prime
- no
- Powerful Number
- no
- Achilles Number
- no
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- yes
- Odd
- no
Names
- German
- neunhundertvierundsiebzig· ordinal: neunhundertvierundsiebzigste
- English
- nine hundred seventy-four· ordinal: nine hundred seventy-fourth
- Spanish
- novecientos setenta y cuatro· ordinal: 974º
- French
- neuf cent soixante-quatorze· ordinal: neuf cent soixante-quatorzième
- Italian
- novecentosettantaquattro· ordinal: 974º
- Latin
- nongenti septuaginta quattuor· ordinal: 974.
- Portuguese
- novecentos e setenta e quatro· ordinal: 974º
Appears in sequences
- a(n) = a(n-2) + a(n-3) + a(n-4), with initial values a(0) = 0, a(1) = 2, a(2) = 3, a(3) = 6.at n=17A001634
- Number of basic invariants for cyclic group of order and degree n.at n=13A002956
- Numbers k such that k! - 1 is prime.at n=16A002982
- Numbers that are the sum of 6 positive 5th powers.at n=22A003351
- Number of points on surface of hexagonal prism: 12*n^2 + 2 for n > 0 (coordination sequence for W(2)).at n=9A005914
- Number of points on surface of square pyramid: 3*n^2 + 2 (n>0).at n=18A005918
- Number of graphs with n nodes, n+1 edges and no isolated vertices.at n=5A006650
- Number of factors in the infinite word formed by the Kolakoski sequence A000002.at n=35A007782
- Coordination sequence T2 for Zeolite Code AFS.at n=24A008024
- Coordination sequence T3 for Zeolite Code AFS and BPH.at n=24A008025
- Coordination sequence T2 for Zeolite Code VFI.at n=24A008246
- x -> x/2 if x even, x -> 3x - 1 if x odd.at n=12A008899
- Coordination sequence T2 for Zeolite Code AHT.at n=21A009867
- Coordination sequence T2 for Zeolite Code CON.at n=22A009869
- a(0) = 1, a(n) = 27*n^2 + 2 for n>0.at n=6A010017
- a(n) = floor( n*(n-1)*(n-2)/25 ).at n=30A011907
- Number of multigraphs with 5 nodes and n edges.at n=10A014395
- Numbers k such that phi(k) + 3 | sigma(k + 3).at n=46A015782
- Numbers n such that n is a substring of its square when both are written in base 2.at n=26A018826
- Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite LOV = Lovdarite K4Na12 [Be8Si28O72].18H2O starting with a T2 atom.at n=10A019140