Properties of the Number 7020

Seven Thousand Twenty

Basics

Value: 7019 → 7020 → 7021

Parity: even

Prime: No

Previous Prime: 7019

Next Prime: 7027

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ³ × 5 × 13

Divisors: 1, 2, 3, 4, 5, 6, 9, 10, 12, 13

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

603 Try Today's Challenge

Representations

Binary: 1101101101100

Octal: 15554

Duodecimal: 4090

Hexadecimal: 1b6c

Square: 49280400

Square Root: 83.78544026261365

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

9 times the triangular numbers A000217. A27468

a(n) = 2·n*(4·n-3). A139271

Heinz numbers of aperiodic integer partitions into relatively prime parts whose reciprocal sum is an integer. A316904

Number A(n,k) of solid standard Young tableaux of shape [[n·k,n],[n]]; square array A(n,k), n>=0, k>=0, read by antidiagonals. A176129

Position of first 0 in the n-th differences of the noncomposite numbers (A008578), or 0 if it does not appear. A376855

Numbers k such that σ(x) = k has exactly 10 solutions. A60666

Numbers k such that φ(x) = k has exactly 9 solutions. A60672

a(n) = n-th sept-factorial number divided by 6. A34833

a(n) = n*(7·n-3)/2. A218471

Number of partitions of n such that 5*(least part) = greatest part. A237827