1302
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 6
- Digital Root
- 6
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 16
- Divisor Sum
- 3072
- Proper Divisor Sum (Aliquot Sum)
- 1770
- 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
- 360
- Möbius Function
- 1
- Radical
- 1302
- Omega Function (Ω)
- 4
- Little Omega Function (ω)
- 4
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
- 101
- 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
- Number of trees of diameter 5.at n=16A000147
- Smallest even number that is an unordered sum of two odd primes in exactly n ways.at n=53A001172
- Triangular numbers plus quarter-squares: n*(n+1)/2 + floor((n+1)^2/4) (i.e., A000217(n) + A002620(n+1)).at n=41A001859
- Cluster series for bond percolation problem on diamond.at n=6A003208
- Numbers k such that k^4 can be written as a sum of four positive 4th powers.at n=4A003294
- Numbers that are the sum of 6 positive 5th powers.at n=34A003351
- a(n) = ceiling(1000*log_10(n)).at n=19A004227
- Triangulations of the disk G_{2,n}.at n=5A005498
- a(n) is the smallest positive integer a for which there is an identity of the form a*n*x = Sum_{i=1..m} ai*gi(x)^n where a1, ..., am are in Z and g1(x), ..., gm(x) are in Z[x].at n=31A005729
- a(n) = binomial(n+3,6) + binomial(n+1,5) + binomial(n,5).at n=6A005732
- Total number of triangles visible in regular n-gon with all diagonals drawn.at n=6A006600
- Number of factors in the infinite word formed by the Kolakoski sequence A000002.at n=40A007782
- Coordination sequence occurring in Zeolite Codes AFG, CAN, LIO, LOS.at n=25A008013
- Coordination sequence T2 for Zeolite Code LOV.at n=24A008135
- Coordination sequence for NiAs(2), As position.at n=17A009945
- Coordination sequence for NiAs(2), Ni position.at n=17A009946
- a(0) = 1, a(n) = 13*n^2 + 2 for n>0.at n=10A010004
- cos(tanh(x)+log(x+1))=1-4/2!*x^2+6/3!*x^3+13/4!*x^4-20/5!*x^5...at n=7A013122
- Number of ways of getting no pair, a pair, 2 pair, 3 of a kind, other straight, other flush, full house, 4 of a kind, other straight flush, a royal flush, or 5 of a kind in 5-card poker when joker is wild.at n=0A014356
- Average of twin prime pairs.at n=44A014574