2374
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 16
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 3564
- Proper Divisor Sum (Aliquot Sum)
- 1190
- 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
- 1186
- Möbius Function
- 1
- Radical
- 2374
- 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
- 76
- Smith Number
- no
- Vampire 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
Appears in sequences
- Coordination sequence T7 for Zeolite Code MTW.at n=32A008202
- Number of 3 X 3 symmetric stochastic matrices under row and column permutations.at n=52A008764
- Number of ordered 5-tuples of integers from [ 1,n ] with no common factors among triples.at n=12A015656
- Expansion of 1/(1-x^10-x^11-x^12-x^13-x^14-x^15).at n=70A017891
- Numbers k such that the continued fraction for sqrt(k) has period 94.at n=2A020433
- Positive numbers k such that k and 3*k are anagrams in base 9 (written in base 9).at n=25A023080
- a(n) = s(1)s(n) + s(2)s(n-1) + ... + s(k)s(n+1-k), where k = [ (n+1)/2 ], s = A001950 (upper Wythoff sequence).at n=14A024689
- Number of sums S of distinct positive integers satisfying S <= n.at n=30A026906
- a(n) = Sum_{k=0..m} T(n,k) * T(n,k+2), where m=2 for n=2 and m=n+1 for n >= 3; and T is given by A026148.at n=3A027331
- Positions of record values in A030777.at n=43A030782
- Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 48.at n=7A031546
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 42 ones.at n=2A031810
- Numbers whose set of base-5 digits is {3,4}.at n=37A032829
- Numbers whose base-4 and base-5 expansions have no digits in common.at n=43A037352
- Number of partitions satisfying cn(2,5) <= cn(0,5) + cn(1,5) + cn(4,5) and cn(3,5) <= cn(0,5) + cn(1,5) + cn(4,5).at n=26A039871
- Number of partitions satisfying 0 < cn(1,5) + cn(2,5) + cn(3,5) and 0 < cn(4,5) + cn(2,5) + cn(3,5).at n=26A039901
- Numerators of continued fraction convergents to sqrt(859).at n=4A042658
- Numbers n such that string 2,7 occurs in the base 9 representation of n but not of n-1.at n=32A044276
- Numbers n such that string 7,4 occurs in the base 10 representation of n but not of n-1.at n=25A044406
- Numbers n such that string 2,7 occurs in the base 9 representation of n but not of n+1.at n=32A044657