7483
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 22
- Digital Root
- 4
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 8560
- Proper Divisor Sum (Aliquot Sum)
- 1077
- 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
- 6408
- Möbius Function
- 1
- Radical
- 7483
- 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
- 39
- 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
- no
- Odd
- yes
Appears in sequences
- Number of partitions of floor(5n/2) into n nonnegative integers each no more than 5.at n=32A001975
- a(n) = floor(n*(n-1)*(n-2)/13).at n=47A011895
- Pseudoprimes to base 86.at n=35A020214
- Pseudoprimes to base 87.at n=37A020215
- Strong pseudoprimes to base 86.at n=5A020312
- Strong pseudoprimes to base 87.at n=11A020313
- n written in fractional base 10/7.at n=43A024662
- a(n) = least m such that if r and s in {1/2, 1/4, 1/6, ..., 1/2n} satisfy r < s, then r < k/m < (k+1)/m < s for some integer k.at n=46A024835
- Decimal part of n-th root of a(n) starts with digit 3.at n=32A034080
- Number of partitions satisfying cn(2,5) <= cn(1,5) + cn(4,5) and cn(3,5) <= cn(1,5) + cn(4,5).at n=32A039891
- Denominators of continued fraction convergents to sqrt(601).at n=9A042153
- a(n) = 4*n^2 - 6*n + 3.at n=43A054569
- Add/multiply sequence, see example.at n=35A093361
- Triangle read by rows: T(n,k) is the number of Schroeder paths of length 2n and having k up steps starting at even heights.at n=51A101919
- Triangle read by rows: T(n,k) is the number of Schroeder paths of length 2n and having k up steps starting at an odd height.at n=41A101920
- a(n) = 10 + floor( (1 + Sum_{j=1..n-1} a(j) )/3 ).at n=23A120155
- Numbers n such that primorial(n)/2 - 64 is prime.at n=24A139448
- Numerator of Euler(n, 10/27).at n=3A157203
- Positive numbers y such that y^2 is of the form x^2+(x+343)^2 with integer x.at n=16A157246
- Numbers of the form k^2+k+1 that are the product of two distinct primes.at n=39A176069