Properties of the Number 10381

Ten Thousand Three Hundred Eighty-One

Basics

Value: 10380 → 10381 → 10382

Parity: odd

Prime: No

Previous Prime: 10369

Next Prime: 10391

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

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

First n-digit number to occur in Van Eck's Sequence (A181391). A358168

Expansion of ∑_1<=i<=j<=k q^i+j+k/( (1-qⁱ)*(1-q^j)*(1-q^k) )². A374930

Array read by antidiagonals: Place k points in general position on each side of a regular n-gon and join every pair of the k·n boundary points by a chord; T(n,k) (n >= 3, k >= 0) gives the number of regions in the resulting planar graph. A392228