Properties of the Number -4206121

Two Hundred Six Thousand One Hundred Twenty-One

Basics

Value: -4206122 → -4206121 → -4206120

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 149 × 28229

Divisors: 1, 149, 28229, 4206121

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -10000000010111000101001

Octal: -20027051

Duodecimal: -14AA121

Hexadecimal: -402e29

Square: 17691453866641

Square Root: 2050.8829805720266

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 k that divide the alternating sum φ(1) - φ(2) + φ(3) - φ(4) + ... + ((-1)^k+1)*φ(k). A67929

G.f. A(x) satisfies A(x) = ∑_k>=0 (k·x)^k * A(k·x). A385585