Properties of the Number 91193

Ninety-One Thousand One Hundred Ninety-Three

Basics

Value: 91192 → 91193 → 91194

Parity: odd

Prime: Yes

Previous Prime: 91183

Next Prime: 91199

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 91193

Divisors: 1, 91193

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10110010000111001

Octal: 262071

Duodecimal: 44935

Hexadecimal: 16439

Square: 8316163249

Square Root: 301.9817875303079

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

Numbers such that every cyclic permutation is a prime. A68652

Circular primes that are not repunits. A293663

Primes p such that exactly five numbers among all circular permutations of the digits of p are prime. A344629

T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero. A299567

a(n) = ceiling(a(n-1)/2) + a(n-2) with a(0)=0 and a(1)=1. A64651

(Partial sums of the squarefree integers) that are prime. A194128

Number of nX4 0..1 arrays with every element equal to 1, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero. A299563

Number of nX7 0..1 arrays with every element equal to 1, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero. A299566

Take A000040, omit commas: 23571113171923..., select 5-digit primes seen when scanning from left. A73038

When A032523 is a maximum; or, A091657 less duplicates. A91658