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Properties of the Number 25523

Twenty-Five Thousand Five Hundred Twenty-Three

Basics

Value: 25522 → 25523 → 25524

Parity: odd

Prime: Yes

Previous Prime: 25471

Next Prime: 25537

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 25523

Divisors: 1, 25523

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 110001110110011

Octal: 61663

Duodecimal: 1292B

Hexadecimal: 63b3

Square: 651423529

Square Root: 159.7591937886518

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

Numbers whose square is palindromic in base 12. A29737
Primes with every digit a prime and the sum of the digits a prime. A62088
a(n) is the smallest prime q such that, for the previous prime p and the following prime r, the fraction (r-q)/(q-p) has denominator n in lowest terms. A179234
Numerators of triangle T(n,k), n>=1, 0<=k<=n - 1, read by rows: T(n,k) is the coefficient of xk in polynomial pn for the n-th row sequence of A145153. A145140
Primes having only {2, 3, 5} as digits. A214703
a(n) is the smallest prime number whose a056240-type is n (see Comments). A293652
Smaller of a pair of consecutive primes having only prime digits. A82755
Primes q (except greater of twin primes) with result 2 under iterations of {r mod (max prime p < r)} starting at r = q. A175080
Primes with prime number of only prime digits (i.e., 2, 3, 5, 7). A124888
a(n) = 2·p + 2·n - 1, where p is the least prime such that nextprime(2·p) - 2·p = 2·n - 1. A59847