Properties of the Number 12040

Twelve Thousand Forty

Basics

Value: 12039 → 12040 → 12041

Parity: even

Prime: No

Previous Prime: 12037

Next Prime: 12041

Digit Sum: 7

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 5 × 7 × 43

Divisors: 1, 2, 4, 5, 7, 8, 10, 14, 20, 28

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10111100001000

Octal: 27410

Duodecimal: 6B74

Hexadecimal: 2f08

Square: 144961600

Square Root: 109.72693379476162

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

Multiples of 7 whose sum of digits is equal to 7. A63416

Expansion of e.g.f. A(x,y) satisfying A(x,y) = ∑_n>=0 (A(x,y)ⁿ + y)ⁿ * xⁿ/n!, as a triangle read by rows. A361540

T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 1 1 1 horizontally and 0 0 1 and 1 0 0 vertically. A207661

Number of totally co-strong integer partitions of n. A332275

T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 0 and 1 1 1 vertically. A207895

Numbers that divide the sum of cubes of their divisors. A46763

a(n) = n*(n + 11)*(n + 22)*(n + 33)/24. A264448

a(n) = 4·p(n), where p(n) is the number of partitions of n. A299474

a(n) = n*(13·n + 1)/2. A22271

a(n) = n*(n-1)*(n+1)*(3·n-2)/12. A153978