Properties of the Number 85410

Eighty-Five Thousand Four Hundred Ten

Basics

Value: 85409 → 85410 → 85411

Parity: even

Prime: No

Previous Prime: 85381

Next Prime: 85411

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 5 × 13 × 73

Divisors: 1, 2, 3, 5, 6, 9, 10, 13, 15, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10100110110100010

Octal: 246642

Duodecimal: 41516

Hexadecimal: 14da2

Square: 7294868100

Square Root: 292.2498930709813

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 Lyndon words on {1,2,3} with an odd number of 1's and an odd number of 2's. A136704

Matrix product of unsigned Stirling1-triangle |A008275(n,k)| and Stirling1-triangle A008275(n,k). A79642

Bisection of A136704. A253076

T(n, k) = [x^k] ∑_k=0..n |Stirling1(n, k)|*FallingFactorial(x, k), triangle read by rows, for n >= 0 and 0 <= k <= n. A325873

Zero followed by partial sums of A133405. A133409

Total number of parts in all partitions of n into relatively prime parts. A85410

a(n) = (n+1)-st digit after decimal point of d, where d = (sqrt((n+1)² + 4(n+1)) - (n+1))/2. A85580