Properties of the Number 6674

Six Thousand Six Hundred Seventy-Four

Basics

Value: 6673 → 6674 → 6675

Parity: even

Prime: No

Previous Prime: 6673

Next Prime: 6679

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 47 × 71

Divisors: 1, 2, 47, 71, 94, 142, 3337, 6674

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101000010010

Octal: 15022

Duodecimal: 3A42

Hexadecimal: 1a12

Square: 44542276

Square Root: 81.69455306200041

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

Twice second pentagonal numbers. A49451

Number of integer partitions of n such that every set of distinct parts has a different sum. A325862

Total number of n-digit numbers requiring 11 positive biquadrates in their representation as sum of biquadrates. A186668

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 2 5 6 or 7. A252219

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00001111. A260370

Numbers that are the sum of nine fourth powers in six or more ways. A345590

Numbers that are the sum of nine fourth powers in exactly six ways. A345848

Indices i where a run of nonzero values starts in A305671. A305672

a(0) = 0, a(1) = 1. For n >= 2, a(n) = a(n-1)/(n-1) if n-1 divides a(n-1); otherwise, a(n) = a(n-1) + a(n-2). A343376

Sequence is {a(5,n)}, where a(m,n) is defined at sequence A110665. A110670