1502
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 8
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 2256
- Proper Divisor Sum (Aliquot Sum)
- 754
- 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
- 750
- Möbius Function
- 1
- Radical
- 1502
- 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
- 140
- 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
- yes
- Odd
- no
Appears in sequences
- A Fielder sequence.at n=11A001643
- Numbers k such that phi(2k-1) < phi(2k), where phi is Euler's totient function A000010.at n=21A001836
- Number of partitions of 4n-1 into n nonnegative integers each no greater than 8.at n=10A001982
- Number of pairs of consecutive integers x, x+1 such that all prime factors of both x and x+1 are at most the n-th prime.at n=14A002071
- Coordination sequence T2 for Zeolite Code AFY.at n=32A008030
- Coordination sequence T4 for Zeolite Code MEI.at n=28A008149
- Coordination sequence T4 for Zeolite Code MFS.at n=24A008176
- Coordination sequence T1 for Zeolite Code MTT.at n=24A008189
- If a, b in sequence, so is a*b+2.at n=51A009299
- Coordination sequence T2 for Zeolite Code VNI.at n=24A009908
- Coordination sequence for CaF2(1), Ca position.at n=13A009923
- a(0) = 1, a(n) = 15*n^2 + 2 for n>0.at n=10A010005
- a(n) = n^2 - floor( n/2 ).at n=39A014848
- Expansion of 1/(1-x^6-x^7-x^8-x^9-x^10-x^11-x^12-x^13-x^14-x^15-x^16).at n=39A017856
- Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite TON = Theta-1 Nan[AlnSi24-nO48] starting with a T2 atom.at n=10A019244
- Numbers k such that the continued fraction for sqrt(k) has period 20.at n=35A020359
- Place where n-th 1 occurs in A023119.at n=33A022781
- a(n) = Sum_{i=0..n} Sum_{j=0..i} T(i,j), T given by A026584.at n=8A026598
- Twin lucky numbers (middle terms).at n=46A031160
- Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 38.at n=7A031536