Properties of the Number 91493

Ninety-One Thousand Four Hundred Ninety-Three

Basics

Value: 91492 → 91493 → 91494

Parity: odd

Prime: Yes

Previous Prime: 91463

Next Prime: 91499

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 91493

Divisors: 1, 91493

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10110010101100101

Octal: 262545

Duodecimal: 44B45

Hexadecimal: 16565

Square: 8370969049

Square Root: 302.4780983806927

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 k such that 5^k - 4^k is prime. A59802

Least of three consecutive primes p, q, r such that p + q, p + r, q + r and p + q + r all have the same number of prime divisors, counted with multiplicity. A368785

Number of length 6 1..(n+2) arrays with no leading partial sum equal to a prime and no consecutive values equal. A255721

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 35. A31623

Numbers k such that (29^k - 3^k)/26 is prime. A384767

T(n,k)=Number of length n 1..(k+2) arrays with no leading partial sum equal to a prime and no consecutive values equal. A255716

Row sums of triangle A091492. A91493

Number of 8-element subsets that can be chosen from {1,2,...,8·n} having element sum 32·n+4. A204472