Properties of the Number -10381

Ten Thousand Three Hundred Eighty-One

Basics

Value: -10382 → -10381 → -10380

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 7 × 1483

Divisors: 1, 7, 1483, 10381

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10100010001101

Octal: -24215

Duodecimal: -6011

Hexadecimal: -288d

Square: 107765161

Square Root: 101.88719252192594

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 (1-x)/(1-x+2·x²-x³). A78019

a(0)=-1, a(1)=0, a(2)=1, a(n) = a(n-1) - 2·a(n-2) + a(n-3). A141576

a(n) = 3·a(n-1) - 2·a(n-2) - a(n-3), with a(0)=1, a(1)=3 and a(2)=7. A368205

Number of partitions of n such that 2*(greatest part) >= (number of parts). A237755

Sum of first k numbers in column k of the natural number array A000027; by antidiagonals. A185787

Hyper-Wiener index of a benzenoid consisting of a spiral chain of n hexagons (s=1; see the Gutman et al. reference). A193392

Number of partitions of n having population standard deviation < 2. A238658

Number of n X 2 0..1 arrays with every element equal to 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero. A297972

Sum of numbers in n-th upward diagonal of triangle in A079823. A79824

Number of partitions of n having standard deviation σ <= 2. A238659