Properties of the Number 27257

Twenty-Seven Thousand Two Hundred Fifty-Seven

Basics

Value: 27256 → 27257 → 27258

Parity: odd

Prime: No

Previous Prime: 27253

Next Prime: 27259

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 97 × 281

Divisors: 1, 97, 281, 27257

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110101001111001

Octal: 65171

Duodecimal: 13935

Hexadecimal: 6a79

Square: 742944049

Square Root: 165.0969412193939

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

Number of subset-sums of strict integer partitions of n. A365925

Super-6 Numbers (6·n⁶ contains substring '666666' in its decimal expansion). A32746

Integers k such that 511·2^k - 1 is prime. A387925

Least inverse of A073454: Smallest m such that m divided by the primes up to m have exactly n repeated residues. A274320

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 0), (0, 1, 1), (1, 0, -1), (1, 0, 0)}. A150245

Number of repeated remainders arising when n is divided by all primes up to n: a(n) = π(n) - A073453(n). A73454

Number of nX6 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 0 1 1 vertically. A207906

Number of nX7 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 1 0 1 vertically. A208038

a(n) = self-convolution of row n of array T given by A025177. A27257