Properties of the Number -23212

Twenty-Three Thousand Two Hundred Twelve

Basics

Value: -23213 → -23212 → -23211

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 7 × 829

Divisors: 1, 2, 4, 7, 14, 28, 829, 1658, 3316, 5803

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101101010101100

Octal: -55254

Duodecimal: -11524

Hexadecimal: -5aac

Square: 538796944

Square Root: 152.354848954669

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

Expansion of log(1+tanh(x)*sin(x))/2. A24298

Integers which can be written in exactly three ways as sum of two distinct nonzero pentagonal numbers. A333013

First differences (A131771) equal this sequence with terms repeated at positions: {m*(m+1)/2, m>=0}. A131770

First differences (A131772) equal this sequence with zeros inserted at positions {m*(m+1)/2, m>=0}. A131771

a(n) = [xⁿ] ∏_k=1..n (1+x^k)² / x^k. A258797

Output of the linear congruential pseudo-random number generator used in function rand() as described in Kernighan and Ritchie, when seeded with 0. A96554

Partial sums (A131771) equal this sequence excluding zeros located at positions {m*(m+1)/2, m>=0}, with a(0)=1. A131772

Number of partitions of 2n into exactly 5 parts. A256309

Number of partitions of 4n into exactly 5 parts. A256316

Composite k such that the primorial inflation of k is a sum of distinct primorial numbers. A351959