Properties of the Number -11930

Eleven Thousand Nine Hundred Thirty

Basics

Value: -11931 → -11930 → -11929

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 5 × 1193

Divisors: 1, 2, 5, 10, 1193, 2386, 5965, 11930

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10111010011010

Octal: -27232

Duodecimal: -6AA2

Hexadecimal: -2e9a

Square: 142324900

Square Root: 109.22453936730518

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

T(n,k)=Number of nXk 0..1 arrays with each 1 adjacent to 2, 3 or 4 king-move neighboring 1s. A296827

Numbers k such that iterating φ(σ(k)-φ(k)) starting from k leads to the fixed point 8064. A77096

Irregular triangle read by rows: T(n,k) is the number of endofunctions on [n] whose second-largest component has size exactly k; n >= 0, 0 <= k <= floor(n/2). A350078

a(n) = a(n-1) + a(n-2) + k, n>1; with a(0) = 1, a(1) = 2, k = 3. A171516

G.f. A(x) satisfies: [x^k] (1+x)^n*(n+1/2) * A(x) = 0 for k = n*(n-1)/2 + 1 through k = n*(n+1)/2 for n >= 1. A305601

Consecutive states of the linear congruential pseudo-random number generator (25173·s+13849) mod 2¹⁶ when started at s=1. A383940

Consecutive states of the linear congruential pseudo-random number generator for the Texas Instruments TI99 when started at 1. A384221

Numbers k such that 10·k-1, 10·k-3, 10·k-7 and 10·k-9 are all prime. A64975

Numbers n such that σ(n)=2n-φ(φ(n)). A110073

Positions of 4's in A038800 with offset 1. A115095