Properties of the Number 25105

Twenty-Five Thousand One Hundred Five

Basics

Value: 25104 → 25105 → 25106

Parity: odd

Prime: No

Previous Prime: 25097

Next Prime: 25111

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 5 × 5021

Divisors: 1, 5, 5021, 25105

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110001000010001

Octal: 61021

Duodecimal: 12641

Hexadecimal: 6211

Square: 630261025

Square Root: 158.4455742518547

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

Composites that use the same digits as their prime factorization. A25283

Composite numbers having the same digits as their prime factors (with multiplicity), excluding zero digits. A176670

Composite numbers having the same digits as their prime factors (with multiplicity), including zero digits. A280928

1, together with numbers n that are the product of two primes p and q such that the multiset of the digits of n coincides with the multiset of the digits of p and q. A80718

T(n,k)=Number of nXk 0..1 arrays with each 1 adjacent to 0 or 2 king-move neighboring 1s. A295781

a(n) = 2·a(n-1) + 2·a(n-2) - 3·a(n-3), with a(0) = 0, a(1) = 1, a(2) = 2. A99232

a(n) = 3·a(n-1) + 2·a(n-2) + a(n-3). A108153

Pisot sequence E(3,11), a(n) = floor(a(n-1)²/a(n-2) + 1/2). A10911

Composite numbers n such that the distinct digits in n and the distinct digits in the proper divisors of n are the same. A237713

a(n) = A175369(n²). A175370