Properties of the Number 51054

Fifty-One Thousand Fifty-Four

Basics

Value: 51053 → 51054 → 51055

Parity: even

Prime: No

Previous Prime: 51047

Next Prime: 51059

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 67 × 127

Divisors: 1, 2, 3, 6, 67, 127, 134, 201, 254, 381

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100011101101110

Octal: 143556

Duodecimal: 25666

Hexadecimal: c76e

Square: 2606510916

Square Root: 225.95132219130738

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 such that R_k + 2 is prime, where R_k = 11...1 is the repunit (A002275) of length k. A97683

Number of integer partitions of n with at least two adjacent parts of quotient 2. A350846

Numbers m such that A186711(m) = 1. A186771

a(n) = ceiling(tan(n)²). A5699

Nearest integer to tan(n)². A5671

a(n) = ∑_k=1..n C(n, floor(n/k)). A51054