Properties of the Number -12055

Twelve Thousand Fifty-Five

Basics

Value: -12056 → -12055 → -12054

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 5 × 2411

Divisors: 1, 5, 2411, 12055

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10111100010111

Octal: -27427

Duodecimal: -6B87

Hexadecimal: -2f17

Square: 145323025

Square Root: 109.79526401443735

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

sin(sec(x)*arcsinh(x))=x+1/3!*x³+5/5!*x⁵-499/7!*x⁷-12055/9!*x⁹... A12822

E.g.f.: exp(sech(x)*arcsin(x))=1+x+1/2!*x²-1/3!*x³-7/4!*x⁴+5/5!*x⁵... A12878

Number of ways to split an integer partition of n into consecutive subsequences with weakly decreasing sums. A316245

Number of graphs with unlabeled (non-isolated) nodes and n labeled edges. A14500

Array read by antidiagonals: A(n,k) is the number of T₀ n-regular set multipartitions (multisets of sets) on a k-set. A331126

Centered 14-gonal numbers. A69127

a(n+1) -+ a(n) = prime, a(n+1)*a(n) = average of twin prime pairs, a(1)=1, a(2)=6. A154494

G.f.: exp( ∑_n>=1 (xⁿ/n) / ∏_d∣n (1 - d·xⁿ) ). A198296

Numbers m such that 18·m + 1, 36·m + 1, 108·m + 1, and 162·m + 1 are all primes. A372188

Least integer k such that k/2ⁿ > 1/e. A293340