5948
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 26
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 6
- Divisor Sum
- 10416
- Proper Divisor Sum (Aliquot Sum)
- 4468
- 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
- 2972
- Möbius Function
- 0
- Radical
- 2974
- Omega Function (Ω)
- 3
- 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
- 98
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- Squarefree Number
- no
- 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
- Powers of fifth root of 5 rounded down.at n=27A018126
- a(n) = 2*binomial(3*n, n) - Sum_{k=0..n} binomial(3*n, k).at n=6A047098
- Expansion of square of g.f. for A051573.at n=11A051603
- Even numbers not the sum of a pair of twin lucky numbers.at n=57A057702
- McKay-Thompson series of class 52A for Monster.at n=57A058705
- First of 3 consecutive numbers which are cubefree and not squarefree, i.e., numbers k such that {k, k+1, k+2} are in A067259.at n=32A071319
- Number of reachable arrangements of coins in the game Blet starting with 2n coins.at n=7A075273
- Number of 7/3+-power-free words over the alphabet {0,1}.at n=31A082380
- Pseudo-random numbers: Davenport's generator for 32-bit integers.at n=10A084277
- Convolution of the prime numbers with phi(n).at n=25A086734
- Number triangle associated to the Riordan arrays (1/(1+x),x/(1+x)^k),k>=0.at n=51A107027
- Number triangle associated with the Riordan arrays (1/(1+x),x/(1+x)^k),k>=0.at n=48A107030
- Indices of primes occurring in A031133.at n=20A122412
- Expansion of f(x^3)/(1-x*f(x^3)), where f(x) is the g.f. of A001764, whose n-th term is binomial(3n,n)/(2n+1).at n=18A126042
- Sequence s_n arising in enumeration of arrays of directed blocks (see Quaintance reference for precise definition).at n=10A129873
- Row sums of triangle A137712.at n=18A137713
- Number of solutions to +-1 +- 3 +- 6 +- ... +- n(n+1)/2 = 0.at n=22A158380
- Conjecturally, even numbers n such that every even number greater than n has more decompositions as the sum of two primes.at n=36A174327
- Numbers k such that 9k+4 are terms in A072841.at n=16A175518
- Partial sums of A061262.at n=20A176661