Properties of the Number 25087

Twenty-Five Thousand Eighty-Seven

Basics

Value: 25086 → 25087 → 25088

Parity: odd

Prime: Yes

Previous Prime: 25073

Next Prime: 25097

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 25087

Divisors: 1, 25087

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110000111111111

Octal: 60777

Duodecimal: 12627

Hexadecimal: 61ff

Square: 629357569

Square Root: 158.38876222762775

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

Least prime in A031928 (lesser of 10-twins) whose distance to the next 10-twin is 6·n. A52354

Primes of the form 8·k² - 1. A90684

A sequence of asymptotic density ζ(10) - 1, where ζ is the Riemann ζ function. A143036

T(n,k)=Number of nXk 0..2 arrays with every 1 immediately preceded by 0 to the left or above, and every 2 immediately preceded by both a 1 and a 0. A203371

Primes of the form 2^r*7^s - 1. A77314

a(n) = 32·n² - 1. A158563

Bases in which 7 is a unique-period prime. A306075

Odd primes p for which there are exactly as many primes in the range [prevprime(p)², prevprime(p)*p] as there are in the range [prevprime(p)*p, p²], where prevprime(p) gives the previous prime before prime p. A256473

Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 361", based on the 5-celled von Neumann neighborhood. A281413

Non-adding primes: next term is smallest prime not the sum of any primes so far. A60341