4982
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 23
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 7776
- Proper Divisor Sum (Aliquot Sum)
- 2794
- 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
- 2392
- Möbius Function
- -1
- Radical
- 4982
- Omega Function (Ω)
- 3
- Little Omega Function (ω)
- 3
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
- 103
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- 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 NES.at n=45A008211
- Numbers whose sum of divisors is a fifth power.at n=12A019423
- Numbers k such that 223*2^k+1 is prime.at n=22A032488
- Integers whose sum of divisors is 6^5 = 7776.at n=7A048255
- a(n) = 2*prime(n)*prime(n+1).at n=14A069486
- a(n) = a(n-1) + sum of decimal digits of n^n.at n=40A071421
- Row sums of triangle A086612.at n=8A086613
- Numbers n occurring in binary representation of n*(n+1)/2.at n=32A092734
- Indices of primes in sequence defined by A(0) = 49, A(n) = 10*A(n-1) - 51 for n > 0.at n=15A101725
- Partial sums of A107947.at n=36A107957
- s(n) = floor(n^(n/5)/n!!!!!).at n=53A114869
- Number of even parts in all partitions of n into distinct parts.at n=45A116680
- Numbers k such that 10*(11*10^k - 1) + 1 is prime.at n=8A123372
- Triangle read by rows: T(n,k) is the number of ordered trees with n edges having k even-length branches starting at the root (0<=k<=n).at n=38A127541
- Numbers k such that 6*p(k)*p(k+1)*p(k+2)*p(k+3)*p(k+4)-1 and 6*p(k)*p(k+1)*p(k+2)*p(k+3)*p(k+4)+1 are twin primes with p(h) = h-th prime.at n=14A129310
- a(n) = 4*n^3 - 3*n^2 + 2*n - 1.at n=10A131464
- Number of squarefree integers not exceeding 2^n.at n=13A143658
- Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (0, 0, -1), (0, 1, -1), (0, 1, 1), (1, 0, -1)}.at n=8A149104
- a(n) = 36*n^2 - 17*n + 2.at n=11A157265
- Numbers n such that 2^x + 3^y is never prime when max(x,y) = n.at n=3A159625