Properties of the Number -172169

One Hundred Seventy-Two Thousand One Hundred Sixty-Nine

Basics

Value: -172170 → -172169 → -172168

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 172169

Divisors: 1, 172169

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -101010000010001001

Octal: -520211

Duodecimal: -83775

Hexadecimal: -2a089

Square: 29642164561

Square Root: 414.9325246350303

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

Primes formed by concatenating n with n-3. A279213

Number of nX(n+2) arrays of permutations of n+2 copies of 0..n-1 with every element equal to or 1 greater than any northeast or northwest neighbors modulo n and the upper left element equal to 0. A267022

Number of 5Xn arrays containing n copies of 0..5-1 with every element equal to or 1 greater than any northeast or northwest neighbors modulo 5 and the upper left element equal to 0. A267024

Numbers k such that the continued fraction for sqrt(k) has period 365. A378955