Properties of the Number -135680

One Hundred Thirty-Five Thousand Six Hundred Eighty

Basics

Value: -135681 → -135680 → -135679

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ⁹ × 5 × 53

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -100001001000000000

Octal: -411000

Duodecimal: -66628

Hexadecimal: -21200

Square: 18409062400

Square Root: 368.3476618630828

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

Triangle of tanh numbers. A111593

Triangle T(n,k) (1 <= k <= n) of tangent numbers, read by rows: T(n,k) = coefficient of xⁿ/n! in expansion of (tan x)^k/k!. A59419

Nonzero numbers in expansion of ((tan(x))⁴)/4! in (xⁿ)/n!. A60056

The fourth row of the ED2 array A167560. A167561

Triangle of tangent numbers. A8308