Properties of the Number 25541

Twenty-Five Thousand Five Hundred Forty-One

Basics

Value: 25540 → 25541 → 25542

Parity: odd

Prime: Yes

Previous Prime: 25537

Next Prime: 25561

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 25541

Divisors: 1, 25541

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110001111000101

Octal: 61705

Duodecimal: 12945

Hexadecimal: 63c5

Square: 652342681

Square Root: 159.8155186457185

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

Smallest prime factor of the reverse concatenation of the first n odd numbers. A109837

Primes of the form 2·k² + 3. A201473

Primes formed from concatenation of PrimePi(n) and prime(n). A236551

a(n) = prime(2·n*(n+1)+1). A78746

Smallest number m such that m, m+1, m+2, m+3, m+4 and m+5 have exactly n prime factors (counted with multiplicity). A387701

a(n) = (1/C(0,0) + 1/C(2,1) + ... + 1/C(2n,n))*L, where L = LCM{C(0,0), C(2,1),..., C(2n,n)}. A25541