Properties of the Number 26731

Twenty-Six Thousand Seven Hundred Thirty-One

Basics

Value: 26730 → 26731 → 26732

Parity: odd

Prime: Yes

Previous Prime: 26729

Next Prime: 26737

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 26731

Divisors: 1, 26731

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110100001101011

Octal: 64153

Duodecimal: 13577

Hexadecimal: 686b

Square: 714546361

Square Root: 163.49617732534298

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

Decimal part of cube root of n starts with 9: first term of runs. A34135

Number of integer partitions of n whose maximal anti-runs do not all have different maxima. A375401

Primes of the form p² + p - 1 when p is prime. A53185

Honaker primes of the form p = 2·k-1 with sum-of-digits(p) = sum-of-digits(k). A176111

Primes of the form n²-n-1 (for some n) such that p²-p-1 is also prime. A237642

Primes p such that x⁹ = 2 has a solution mod p, but x^9² = 2 has no solution mod p. A70185

Primes p such that x²⁷ = 2 has no solution mod p, but x⁹ = 2 has a solution mod p. A59354

Primes in which the unit place digit is 1 and the k-th most significant digit is prime (2,3,5,7) if k is prime else is composite (4,6,8,9,0). A89704

Number of distinct Markov type classes of order 4 possible in binary strings of length n. A132299

Denominators of continued fraction convergents to sqrt(83). A41147