Properties of the Number -24012

Twenty-Four Thousand Twelve

Basics

Value: -24013 → -24012 → -24011

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 23 × 29

Divisors: 1, 2, 3, 4, 6, 9, 12, 18, 23, 29

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101110111001100

Octal: -56714

Duodecimal: -11A90

Hexadecimal: -5dcc

Square: 576576144

Square Root: 154.9580588417395

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 2^k mod k = 2^k mod k². A68535

Smallest number a(n)>a(n-1) such that T(a(n-1))+T(a(n))=T(m) for some m, a(1)=3; T(i) are the triangular numbers. A72522

Expansion of ∏_k>=1 1/(1 - (5·k-3)*x^5·k-3). A265833

Let e_n(k)>=0 denote the exponent of prime(k) in the prime power representation of n. The sequence lists 1 followed by numbers n for which e_n(2·i-1)=e_n(2·i), for all i>=1. A275407

Numbers k that are not powers of 2 such that 2^k mod k = 2^k mod k²; or A068535 with powers of 2 excluded. A125773

a(n) = ∑_k=1..n floor(k⁴/n). A14819

G.f.: Product((1+xⁱ)/(1-xⁱ),i=1..n-1)/(1-xⁿ), with n = 5. A91773

"Early bird" squares: write the square numbers in a string 149162536496481100... . Sequence gives numbers k such that k² occurs in the string ahead of its natural place. A181585

Number of nX3 0..3 arrays with no element equal to the sum of elements to its left or the sum of 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. A240245

Number of planar n X n X n binary triangular grids symmetric under 120 degree rotation with no more than 4 ones in any 4 X 4 X 4 subtriangle. A153932