Properties of the Number 2152

Two Thousand One Hundred Fifty-Two

Basics

Value: 2151 → 2152 → 2153

Parity: even

Prime: No

Previous Prime: 2143

Next Prime: 2153

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 ³ × 269

Divisors: 1, 2, 4, 8, 269, 538, 1076, 2152

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100001101000

Octal: 4150

Duodecimal: 12B4

Hexadecimal: 868

Square: 4631104

Square Root: 46.389654018972806

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) = ∑_k=1..n k·floor(n/k); also ∑_k=1..n σ(k) where σ(n) = sum of divisors of n (A000203). A24916

Number of conjugacy classes in GL(n,3). A6952

Numbers m such that there are precisely 14 groups of order m. A294155

Positions of occurrences of the natural numbers as fourth subsequence in A100035. A100039

Number of ways to color n regions arranged in a line such that consecutive regions do not have the same color. A103293

Number of integer partitions of n that can be partitioned into a set of sets in exactly one way. A382079

T(n,k)=Number of nXk 0..3 arrays with no element equal to the sum of elements to its left or the sum of the elements above it or the sum of the elements diagonally to its northwest or the sum of the elements antidiagonally to its northeast, modulo 4. A240250

Positive numbers whose product of digits is twice the sum of the digits. A62034

Sophie Germain 4-almost primes. A111176

Conjectured list of numbers whose aliquot sequence eventually reaches a cycle of length two or more. A121507