Properties of the Number 40169

Forty Thousand One Hundred Sixty-Nine

Basics

Value: 40168 → 40169 → 40170

Parity: odd

Prime: Yes

Previous Prime: 40163

Next Prime: 40177

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 40169

Divisors: 1, 40169

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001110011101001

Octal: 116351

Duodecimal: 1B2B5

Hexadecimal: 9ce9

Square: 1613548561

Square Root: 200.42205467462907

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

An accelerator sequence for Catalan's constant. A94648

Trace sequence of a path graph plus loop. A96975

One half of total number of round trips, each of length 2n, on the graph P₆ (o-o-o-o-o-o). A198636

Sum of n-th powers of the roots of x³ + 4·x² - 11·x - 1. A274663

Let M(n) be the n X n matrix m(i,j)=min(i,j) for 1<=i,j<=n then a(n) is the trace of M(n)^-9. A114361

Primes with distinct nonprime digits. A155024

Convolution of Fibonacci F(n+1), n>=0, with F(n+7), n>=0. A67430

Primes of the form 16·m² + 169, m=1,2,3,... A87862

Number of compositions (ordered partitions) of n such that some part is repeated consecutively 4 times and no part is repeated consecutively more than 4 times. A91618

Primes that are anagrams of Fibonacci numbers. A162390