Properties of the Number 20127

Twenty Thousand One Hundred Twenty-Seven

Basics

Value: 20126 → 20127 → 20128

Parity: odd

Prime: No

Previous Prime: 20123

Next Prime: 20129

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 6709

Divisors: 1, 3, 6709, 20127

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 100111010011111

Octal: 47237

Duodecimal: B793

Hexadecimal: 4e9f

Square: 405096129

Square Root: 141.869658489756

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

Partial sums of A008137. A299276

Number of binary strings of length n with no substrings equal to 0000, 0010, or 0100. A164417

Expansion of (1+2·x+4·x²)/(1-x-8·x⁴). A98581

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 485", based on the 5-celled von Neumann neighborhood. A272504

Ceiling of γ(n+4/5)/γ(4/5). A20127