Properties of the Number -22431

Twenty-Two Thousand Four Hundred Thirty-One

Basics

Value: -22432 → -22431 → -22430

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 7477

Divisors: 1, 3, 7477, 22431

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101011110011111

Octal: -53637

Duodecimal: -10B93

Hexadecimal: -579f

Square: 503149761

Square Root: 149.76982339576955

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

Binomial transform of Fine's sequence A000957: 1, 0, 1, 2, 6, 18, 57, 186, ... A33321

Triangle T(n,k), 0 <= k <= n, read by rows, defined by: T(0,0) = 1, T(n,k) = 0 if n<k, T(n,0) = T(n-1,0) + T(n-1,1) and for k >= 1: T(n,k) = T(n-1,k-1) + x·T(n-1,k) + T(n-1,k+1) with x = 3. A110877

Number of integer partitions of n of even rank. A340601

Number of partitions of n in which each part, with the possible exception of the largest, occurs at least twice. A116931

T(n,k)=Number of length n sequences p(i=0..n-1) with 0<=p(i)<=i and having exactly k maxima. A181229

Numbers k such that (20^k + 1)² - 2 is prime. A364081

Rounded base-2 logarithm of A082128(n). A82129

Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n and having height of the last peak equal to k (1 <= k <= n). A128745

Riordan array (f(x), x·f(x)) where f(x) is the g.f. of A033321. A171486

Sequence defined by the recurrence formula a(n+1)=sum(a(p)*a(n-p)+k,p=0..n)+l for n>=1, with here a(0)=1, a(1)=9, k=0 and l=1. A177130