Properties of the Number 12474

Twelve Thousand Four Hundred Seventy-Four

Basics

Value: 12473 → 12474 → 12475

Parity: even

Prime: No

Previous Prime: 12473

Next Prime: 12479

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ⁴ × 7 × 11

Divisors: 1, 2, 3, 6, 7, 9, 11, 14, 18, 21

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11000010111010

Octal: 30272

Duodecimal: 7276

Hexadecimal: 30ba

Square: 155600676

Square Root: 111.6870628139177

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 - 11 is prime. A96817

a(n) = (3ⁿ/n!)*∏_k=0..n-1 (3·k - 1). A4990

Numbers k for which nontrivial positive magic squares of exactly 9 different orders with magic sum k exist. For a definition of nontrivial positive magic squares, see A125005. A125016

Numbers of the form p⁴*q·r*s where p, q, r, and s are distinct primes. A179693

T(n,k)=Number of lower triangles of an n X n 0..k array with no element differing from any of its horizontal or vertical neighbors by more than one. A194931

Triangular matrix arising in enumeration of catafusenes, read by rows. A38763

T(n,k)=Number of nXk 0..1 arrays with new values 0..1 introduced in row major order and no element equal to more than one of its immediate leftward or upward neighbors. A208314

Square array read by antidiagonals downwards: super Patalan numbers of order 3. A248324

Triangle of generalized Chebyshev coefficients. A80419

Number of partitions in parts not of the form 15k, 15k+3 or 15k-3. Also number of partitions with at most 2 parts of size 1 and differences between parts at distance 6 are greater than 1. A35957