Properties of the Number 91830

Ninety-One Thousand Eight Hundred Thirty

Basics

Value: 91829 → 91830 → 91831

Parity: even

Prime: No

Previous Prime: 91823

Next Prime: 91837

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 5 × 3061

Divisors: 1, 2, 3, 5, 6, 10, 15, 30, 3061, 6122

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10110011010110110

Octal: 263266

Duodecimal: 45186

Hexadecimal: 166b6

Square: 8432748900

Square Root: 303.03465148395156

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

Row sums of triangle A175009. A175006

Number of (n+2)X(3+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00001111. A260365

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 657", based on the 5-celled von Neumann neighborhood. A273336

Squarefree numbers sandwiched between two brilliant numbers. A85706

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (0, 0, -1), (0, 0, 1), (0, 1, 1), (1, 1, 0)}. A151172

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00001111. A260370

a(1)=1; a(2n)=(a(n)+1) mod 2, a(2n+1)=a(2n)+1. A91830