Properties of the Number 9872

Nine Thousand Eight Hundred Seventy-Two

Basics

Value: 9871 → 9872 → 9873

Parity: even

Prime: No

Previous Prime: 9871

Next Prime: 9883

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ⁴ × 617

Divisors: 1, 2, 4, 8, 16, 617, 1234, 2468, 4936, 9872

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011010010000

Octal: 23220

Duodecimal: 5868

Hexadecimal: 2690

Square: 97456384

Square Root: 99.35793878699377

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 2 X 2 singular integer matrices with elements from {0,...,n}. A59306

T(n,k)=Number of arrays of n+2 integers in -k..k with sum zero and adjacent elements differing in absolute value. A202962

Number of possible chess games at the end of the n-th ply starting without queens. A285873

Coefficients of polynomials D(n,x) related to median Euler numbers. A98277

a(n) is the minimum total surface area of four-element sets of distinct integer-sided cuboids that fill an n X n X n cube. A392884

Partial sums of repdigits of A002282. A99675

n written in fractional base 10/9. A24664

Monotonic ordering of nonnegative differences 10ⁱ-2^j, for 40>= i>=0, j>=0. A192125

Triangle of coefficients of polynomials v(n,x) jointly generated with A209819; see the Formula section. A209820

Number of lines through at least 2 points of an 8 X n grid of points. A160848