Properties of the Number -12540

Twelve Thousand Five Hundred Forty

Basics

Value: -12541 → -12540 → -12539

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 5 × 11 × 19

Divisors: 1, 2, 3, 4, 5, 6, 10, 11, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -11000011111100

Octal: -30374

Duodecimal: -7310

Hexadecimal: -30fc

Square: 157251600

Square Root: 111.98214143335535

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

G.f.: Re((2·i; x)_inf), where (a; q)_inf is the q-Pochhammer symbol, i = sqrt(-1). A292135

Sum of all parts of all partitions of n. A66186

Number of planar partitions of n decreasing across rows. A3293

Number of integer partitions of n where no part is 2^k times any other part, for any k > 0. A323093

"DHK[ 7 ]" (bracelet, identity, unlabeled, 7 parts) transform of 1,1,1,1,... A32248

Numbers k such that the central binomial coefficient C(2k,k) is divisible by k². A121943

Least positive integer whose multiset of prime indices has exactly n distinct semi-sums. A367097

Numbers n such that σ(n) = 14*φ(n) (where σ=A000203, φ=A000010). A171259

Sum of all parts of all self-conjugate partitions of n. A330373

Numbers k such that A122111(k) [conjugated prime factorization of k] is one of Ore's Harmonic numbers (in A001599). A336317