Properties of the Number 6470

Six Thousand Four Hundred Seventy

Basics

Value: 6469 → 6470 → 6471

Parity: even

Prime: No

Previous Prime: 6469

Next Prime: 6473

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 5 × 647

Divisors: 1, 2, 5, 10, 647, 1294, 3235, 6470

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100101000110

Octal: 14506

Duodecimal: 38B2

Hexadecimal: 1946

Square: 41860900

Square Root: 80.43631020876082

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

a(n) = ∑_d∣n binomial(n/d+d-2, d-1). A157019

Number A(n,k) of n-member subsets of [k·n] whose elements sum to a multiple of k; square array A(n,k), n>=0, k>=0, read by antidiagonals. A318557

G.f. A(x) = ∑_n=-oo..+oo xⁿ * (1 + xⁿ)^2·n. A260147

Numbers n such that there are equal numbers of 0's and 1's in first n digits of binary representation of π. A39624

Numbers n such that prime(n) == -7 (mod n). A92049

Number of n-element subsets of [2n] having an even sum. A119358

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 2 3 6 or 7. A251791

Number of widely recursively normal integer partitions of n. A332295

G.f.: ∑_n>=0 xⁿ/(1 + xⁿ)ⁿ. A217670

Triangle of 4-Eulerian numbers. A144698