Properties of the Number 85525

Eighty-Five Thousand Five Hundred Twenty-Five

Basics

Value: 85524 → 85525 → 85526

Parity: odd

Prime: No

Previous Prime: 85523

Next Prime: 85531

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 5 ² × 11 × 311

Divisors: 1, 5, 11, 25, 55, 275, 311, 1555, 3421, 7775

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100111000010101

Octal: 247025

Duodecimal: 415B1

Hexadecimal: 14e15

Square: 7314525625

Square Root: 292.4465763177952

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

Tribonacci numbers: a(n) = a(n-1) + a(n-2) + a(n-3) with a(0)=a(1)=a(2)=1. A213

Fixed points of permutations A256210 and A256371. A256372

Consider the sequence of 4-tuples {0,a,b,c} (c>=a+b; a,b,c>0) which have the smallest integer 'c' required to reach {k,k,k,k} in n steps under map {r,s,t,u}->{|r-s|,|s-t|,|t-u|,|u-r|}. This sequence gives the second term 'a' of these quadruples. A34803

a(n) = 3a(n-1)+a(n-2)+a(n-3), a(0)=1, a(1)=1, a(2)=5. A98184

Coefficient of·in the reduction by x² -> x+1 of the polynomial p(n,x) defined at Comments. A192389

Sums of 5 distinct powers of 10. A38447

a(n) = n^{2·n + 2}. A85525