Properties of the Number -133661

One Hundred Thirty-Three Thousand Six Hundred Sixty-One

Basics

Value: -133662 → -133661 → -133660

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 11 × 29 × 419

Divisors: 1, 11, 29, 319, 419, 4609, 12151, 133661

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -100000101000011101

Octal: -405035

Duodecimal: -65425

Hexadecimal: -20a1d

Square: 17865262921

Square Root: 365.59677241463714

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

Numbers n such that φ(reverse(n)) = σ(n). A70835

Centered 10-gonal numbers which are sphenic numbers. A368426

Expansion of ∑_k>=0 x^k * ∏_j=1..k (1 + j·x^j). A306730