Properties of the Number 25118

Twenty-Five Thousand One Hundred Eighteen

Basics

Value: 25117 → 25118 → 25119

Parity: even

Prime: No

Previous Prime: 25117

Next Prime: 25121

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 19 × 661

Divisors: 1, 2, 19, 38, 661, 1322, 12559, 25118

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110001000011110

Octal: 61036

Duodecimal: 12652

Hexadecimal: 621e

Square: 630913924

Square Root: 158.48659249286672

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

Sum of the products of the primes taken 2 at a time from the first n primes. A24447

T(n,k)=Number of nXk 0..4 arrays with each element·equal to the number of its horizontal and vertical neighbors equal to 1,3,4,0,2 for x=0,1,2,3,4. A196646

Powers of fifth root of 10 rounded down. A18141

Cardinality of the permutation (k, k-1, ..., 2, 1)(n, n-1, ..., k+1) in an exchange shuffle applied in all nⁿ possible ways to (1,2,...,n). A13560

Number of partitions of n, where the difference between the number of odd parts and the number of even parts is 5. A240014

a(0) = 1; thereafter a(n) = 2*(6·n² - 3·n + 1). A386477

Largest number whose 5th power has n digits. A114323

Sum of proper divisors minus the number of proper divisors of Motzkin number A001006(n). A154349

Maximum probability of permutation from bad "shuffle" times nⁿ. A192053

Number of nX5 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 1,3,4,0,2 for x=0,1,2,3,4. A196643