Properties of the Number 91249

Ninety-One Thousand Two Hundred Forty-Nine

Basics

Value: 91248 → 91249 → 91250

Parity: odd

Prime: Yes

Previous Prime: 91243

Next Prime: 91253

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 91249

Divisors: 1, 91249

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10110010001110001

Octal: 262161

Duodecimal: 44981

Hexadecimal: 16471

Square: 8326380001

Square Root: 302.07449412355226

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

Emirps starting and ending with composite digit 9. A128374

a(1) = 2; for n > 1, a(n) is the smallest prime > a(n-1) such that each successive digit in the concatenation of terms (that does not follow 9) is greater than the previous digit. A68827

Canyon primes (A134971) whose first and last digits are 9. A179673

Primes that can be generated by the concatenation in base 9, in descending order, of two consecutive integers read in base 10. A287313

Number of free polyominoes with n cells having simply-connected interiors such that no smaller polyomino has the same bracelet. A342538

A014580-indices of primitive irreducible GF(2)[X]-polynomials. A91249

Indices of prime values of A077020 (also A001607). A101087