Properties of the Number 25727

Twenty-Five Thousand Seven Hundred Twenty-Seven

Basics

Value: 25726 → 25727 → 25728

Parity: odd

Prime: No

Previous Prime: 25717

Next Prime: 25733

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 13 × 1979

Divisors: 1, 13, 1979, 25727

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110010001111111

Octal: 62177

Duodecimal: 12A7B

Hexadecimal: 647f

Square: 661878529

Square Root: 160.39638399914134

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

Number of polyforms with n cells on the faces of a deltoidal icositetrahedron up to rotation. A383805

a(n) is the smallest integer k > 1 such that k cannot be expressed as a sum of distinct earlier terms nor is a multiple of any earlier term. A330070

Composite terms in A330070. A330126

a(0) = 1, a(n) = 21·n² + 2 for n>0. A10011

Numbers n such that 10ⁿ - 53 is prime. A178430

Number of lower triangles of an n X n 0..4 array with each element equal to the number of its horizontal and vertical neighbors unequal to itself. A195952

Number of 5 X 5 magic squares with line sum n. A111158

Index of 7ⁿ within the sequence of the numbers of the form 7ⁱ*10^j. A25727