11202
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 6
- Digital Root
- 6
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 22416
- Proper Divisor Sum (Aliquot Sum)
- 11214
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- yes
Derived Values
- Euler's Totient
- 3732
- Möbius Function
- -1
- Radical
- 11202
- 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
- yes
- Harshad Number
- yes
- Narcissistic Number
- no
- Collatz Steps
- 68
- 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
- Powers of 2 written in base 3.at n=7A004642
- Number of points on surface of tricapped prism: a(n) = 7*n^2 + 2 for n > 0, a(0)=1.at n=40A005919
- McKay-Thompson series of class 2B for the Monster group with a(0) = -24.at n=4A007191
- McKay-Thompson series of class 2B for the Monster group.at n=4A007246
- a(0) = 1, a(n) = 28*n^2 + 2 for n>0.at n=20A010018
- Duplicate of A007246.at n=4A028522
- McKay-Thompson series of class 2B for the Monster group with a(0) = 40.at n=4A035099
- Numbers whose base-7 representation contains exactly four 4's.at n=18A043412
- McKay-Thompson series of class 2B for the Monster group with a(0) = -8.at n=4A045479
- Number of strongly unimodal partitions of n (strongly unimodal means strictly increasing then strictly decreasing).at n=32A059618
- a(n) = sum of the first n lower twin primes.at n=33A086167
- Another lazy binary representation of n: similar to A089591 except that the single carry is performed before the increment instead of after.at n=34A089600
- a(n) = 128 written in base n.at n=2A095646
- a(n) = 128 written in base 11 - n.at n=8A095647
- McKay-Thompson series of class 4A for the Monster group with a(0) = 24.at n=4A097340
- An Alexander sequence for the knot 9_44.at n=12A099458
- McKay-Thompson series of class 4A for the Monster group.at n=4A107080
- Admirable Harshad numbers such that the subtracted divisor is also a Harshad number.at n=20A109396
- Admirable Harshad numbers.at n=44A111947
- Admirable Harshad numbers n such that the subtracted divisor is equal to the digital sum of n.at n=10A111948