Properties of the Number 6920

Six Thousand Nine Hundred Twenty

Basics

Value: 6919 → 6920 → 6921

Parity: even

Prime: No

Previous Prime: 6917

Next Prime: 6947

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ³ × 5 × 173

Divisors: 1, 2, 4, 5, 8, 10, 20, 40, 173, 346

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101100001000

Octal: 15410

Duodecimal: 4008

Hexadecimal: 1b08

Square: 47886400

Square Root: 83.18653737234169

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

a(n) = n·prime(n). A33286

Number of integer partitions of n whose maximal anti-runs have distinct maxima. A375133

Numbers n such that there are equal numbers of 0's and 1's in first n digits of binary representation of π. A39624

Position of A075165(n) in A014486 plus one. A75163

Expansion of ∏_k>=1 1/(1 + x^k)^k*(k+1/2). A294846

Smallest member of three consecutive numbers each of which is the sum of two nonzero squares (not necessarily different). A64716

Numbers m such that 4^m reversed is prime. A350441

Expansion of (1+x²)/(1+x²+x⁵). A88002

G.f.: 1/((1-x)²*(1-x²)*(1-x⁴)*(1-x⁸)*(1-x¹⁶)). A88954

a(n) is such that the a(n)-th composite number is (n-th prime)². A120389