Properties of the Number -214445

Two Hundred Fourteen Thousand Four Hundred Forty-Five

Basics

Value: -214446 → -214445 → -214444

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 × 7 × 11 × 557

Divisors: 1, 5, 7, 11, 35, 55, 77, 385, 557, 2785

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -110100010110101101

Octal: -642655

Duodecimal: -A4125

Hexadecimal: -345ad

Square: 45986658025

Square Root: 463.08206616106395

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

Riordan array [sec(x), log(sec(x) + tan(x))]. A147309

Riordan array [sech(x), arcsin(tanh(x))]. A147308

Riordan array [1, arcsin(tanh(x))]. A147311

Riordan array [1,log(sec(x)+tan(x))]. A147312

Triangle read by rows: T(n,k) is the number of cycle-up-down permutations of {1,2,...,n} having k excedances (0<=k<=floor(n/2)). A186368