Properties of the Number 25919

Twenty-Five Thousand Nine Hundred Nineteen

Basics

Value: 25918 → 25919 → 25920

Parity: odd

Prime: Yes

Previous Prime: 25913

Next Prime: 25931

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 25919

Divisors: 1, 25919

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110010100111111

Octal: 62477

Duodecimal: 12BBB

Hexadecimal: 653f

Square: 671794561

Square Root: 160.99378870006134

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

Primes of the form 36·k² - 810·k + 2753, listed in order of increasing parameter k >= 0. A50268

Primes of the form k² - 2. A28871

Number of partitions of n with a product greater than n. A114324

Numbers which converge to 2592 under repeated application of the powertrain map of A133500. A135384

a(n) is the smallest·such that the quotient d(x+1)/d(x) equals n, where d = A000005. A80371

Primes of the form 8·k-1 such that 4·k-1 and 16·k-1 are also primes. A101792

a(n) = 36·n² - 810·n + 2753, producing the conjectured record number of 45 primes in a contiguous range of n for quadratic polynomials, i.e., abs(a(n)) is prime for 0 <= n < 44. A117081

a(n) = 20·n² - 1. A158491

Primes of the form abs(n⁴ - 97n³ + 3294n² - 45458n + 213589) in order of increasing nonnegative n. A272410

Primes of the form 36·n² - 810·n + 2753, n >= 0, sorted. A22464