Properties of the Number -14191

Fourteen Thousand One Hundred Ninety-One

Basics

Value: -14192 → -14191 → -14190

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 23 × 617

Divisors: 1, 23, 617, 14191

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11011101101111

Octal: -33557

Duodecimal: -8267

Hexadecimal: -376f

Square: 201384481

Square Root: 119.12598373151006

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 ∏_m>=1 (1+m·q^m)^-23. A22715

Second right hand column of the β triangle A160480. A160483

a(n) = n*(n² - 6·n + 11)/6. A50407

a(n) = n*(7·n² - 1)/6. A4126

Coefficients in expansion of ∑_{n >= 1} xⁿ/(1-xⁿ)⁴. A59358

Let A(0) = 1, B(0) = 0 and C(0) = 0. Let A(n+1) = - ∑_{k = 0..n} binomial(n,k)*C(k), B(n+1) = ∑_{k = 0..n} binomial(n,k)*A(k) and C(n+1) = ∑_{k = 0..n} binomial(n,k)*B(k). This entry gives the sequence B(n). A143631

Number of distinct values taken by the entropy for permutations of [1..n], where the entropy of a permutation π is ∑_k=1..n (π(k)-k)². A126972

Numbers k that are the products of two distinct primes such that 2·k-1, 4·k-3, 8·k-7, 16·k-15 and 32·k-31 are also products of two distinct primes. A177214

Centered 15-gonal numbers: a(n) = (15·n² - 15·n + 2)/2. A69128

Numbers k that are the products of two distinct primes such that 2·k-1, 4·k-3, 8·k-7, 16·k-15, 32·k-31 and 64·k-63 are also products of two distinct primes. A177215