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Properties of the Number 28495

Twenty-Eight Thousand Four Hundred Ninety-Five

Basics

Value: 28494 → 28495 → 28496

Parity: odd

Prime: No

Previous Prime: 28493

Next Prime: 28499

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 5 × 41 × 139

Divisors: 1, 5, 41, 139, 205, 695, 5699, 28495

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 110111101001111

Octal: 67517

Duodecimal: 145A7

Hexadecimal: 6f4f

Square: 811965025

Square Root: 168.804620789835

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

Positions of non-crossing fixed-point-free involutions (encoded by A014486) in A055089, sorted to ascending order. A64640
Number of primitive (period n) periodic palindromic structures using exactly three different symbols. A56519
Positions of non-crossing fixed-point-free involutions encoded by A014486 in A055089. Permutation of A064640. A64638
Number of (s(0), s(1), ..., s(n)) such that every s(i) is a nonnegative integer, s(0) = 0, s(1) = 1, |s(i) - s(i-1)| <= 1 for i >= 2, |s(2) - s(1)| = 1, |s(3) - s(2)| = 1 if s(2) = 1. Also sum of numbers in row n+1 of the array T in A026268. A26299
Number of primitive (aperiodic) palindromic structures using exactly three different symbols. A56482
Positions of non-crossing fixed-point-free involutions encoded by A014486 (after reflection) in A055089. Permutation of A064640. A64639
Column 3 of triangle A091602. A91606
Numbers n such that σ(n)=φ(n·bigomega(n)-1). A67877
Position of the first subsequence of n primes that differs from the first n primes, but where the relative distances among their elements coincide with those of the subsequence of first n primes except for a scale factor. A359354
Expansion of g.f. (1-x2)/(1-x-2·x2+x3). A28495