3250
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 10
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 16
- Divisor Sum
- 6552
- Proper Divisor Sum (Aliquot Sum)
- 3302
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 1200
- Möbius Function
- 0
- Radical
- 130
- Omega Function (Ω)
- 5
- 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
- yes
- Narcissistic Number
- no
- Collatz Steps
- 136
- 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
- Number of n X (n+2) binary matrices.at n=4A002728
- a(n) = (n-1)*n*(n+4)/6.at n=26A005581
- Number of ways of placing n non-attacking bishops on an n X n board so that every square is attacked (or occupied).at n=9A005635
- Number of 4 X n binary matrices up to row and column permutations.at n=6A006148
- Coordination sequence T2 for Zeolite Code AFT.at n=43A008027
- Coordination sequence T1 for Zeolite Code ZON.at n=40A009919
- Powers of cube root of 2 rounded down.at n=35A017979
- Numbers whose base-2 representation is the juxtaposition of two identical strings.at n=49A020330
- Expansion of 1/((1-x)(1-2x)(1-8x)(1-9x)).at n=3A021264
- Sum of digits in n-th term of A022482.at n=24A022487
- a(n+1) = a(n) written in base 7 (read in base 10); a(1) = 7.at n=12A023390
- Generalized Catalan Numbers x^4*A(x)^2 -(1-x+x^4+x^5)*A(x) +1 =0.at n=20A023428
- Convolution of odd numbers and A000201.at n=17A023658
- [ (4th elementary symmetric function of S(n))/(first elementary symmetric function of S(n)) ], where S(n) = {first n+3 odd positive integers}.at n=4A024203
- Least m such that if r and s in {1/1, 1/4, 1/9,..., 1/n^2} satisfy r < s, then r < k/m < s for some integer k.at n=20A024827
- Numbers that are the sum of 2 nonzero squares in exactly 4 ways.at n=9A025287
- Numbers that are the sum of 2 nonzero squares in 3 or more ways.at n=41A025294
- Numbers that are the sum of 2 nonzero squares in 4 or more ways.at n=9A025295
- Numbers that are the sum of 2 distinct nonzero squares in exactly 4 ways.at n=9A025305
- Numbers that are the sum of 2 distinct nonzero squares in 3 or more ways.at n=40A025313