Properties of the Number 12042

Twelve Thousand Forty-Two

Basics

Value: 12041 → 12042 → 12043

Parity: even

Prime: No

Previous Prime: 12041

Next Prime: 12043

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ³ × 223

Divisors: 1, 2, 3, 6, 9, 18, 27, 54, 223, 446

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10111100001010

Octal: 27412

Duodecimal: 6B76

Hexadecimal: 2f0a

Square: 145009764

Square Root: 109.73604694903129

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

Natural numbers of the form p³ - q³, where p and q are primes. A86120

a(n) = n*(19·n-15)/2. A226490

a(n) = 10000·log₁₀(n) rounded up. A4230

Sum of numbers in the n-th antidiagonal of the reciprocity array of 1. A259577

Molien series for group of order 4608 acting on joint weight enumerators of a pair of binary doubly-even self-dual codes. A97870

Least number k = concat(x,y) such that k = n·x*y - x - y, -1 if such a number does not exist. A278935

a(n) is the largest number that is not the sum of distinct centered n-gonal numbers. A352349

Numbers n such that n is both the average of some twin prime pair p, q (q = p+2) (i.e., n = p+1 = q-1) and is also the arithmetic mean of the four numbers consisting of the two primes before p and the two primes after q. A256620

Pisot sequence E(31,51), a(n)=[a(n-1)²/a(n-2)+1/2]. A275628

Number of nX7 0..1 arrays with every element equal to 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A300371