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Properties of the Number 33813

Thirty-Three Thousand Eight Hundred Thirteen

Basics

Value: 33812 → 33813 → 33814

Parity: odd

Prime: No

Previous Prime: 33811

Next Prime: 33827

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 2 × 13 × 17 2

Divisors: 1, 3, 9, 13, 17, 39, 51, 117, 153, 221

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1000010000010101

Octal: 102025

Duodecimal: 17699

Hexadecimal: 8415

Square: 1143318969

Square Root: 183.88311504866346

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Terms k of A228058 for which A048146(k)+A162296(k) >= 2·k, where A048146 is the sum of non-unitary divisors, and A162296 is the sum of divisors that have a square factor. A389219
Number of parts in all partitions of n in which no part occurs more than five times. A320608
a(n) = floor(a(n-1)*(π-1)); a(1) = 1. A63457
Numbers n such that sum of primes dividing n (with repetition) is equal to the largest prime factor of n+1. A71863
Numbers n such that n2 is divisible by the sum of the distinct prime divisors of n2 + 1. A196219
The Collatz (3x+1) iteration in A220145 converted to decimal. A221468
Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 553", based on the 5-celled von Neumann neighborhood. A272848
Numbers k such that k = x + y, k' = x' + y' and k'' = x'' + y'', where k' and k'' are the first and second arithmetic derivatives of k. A293252
a(n) is the number of primes between (prime(n))3 and (prime(n+1))3. A365767
Number of extended RNA secondary structures of size n according to the zu Siederdissen et al. (2011) model. A226510