Properties of the Number 3428

Three Thousand Four Hundred Twenty-Eight

Basics

Value: 3427 → 3428 → 3429

Parity: even

Prime: No

Previous Prime: 3413

Next Prime: 3433

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 857

Divisors: 1, 2, 4, 857, 1714, 3428

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 110101100100

Octal: 6544

Duodecimal: 1B98

Hexadecimal: d64

Square: 11751184

Square Root: 58.54912467321779

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

Triangle read by rows: T(n,k) = ∑_j>=0 j!*T(n-j-1, k-1) for n >= 0, k >= 0. A84938

Number of partitions of n such that the set of parts and the set of multiplicities of parts are disjoint. A114639

Irregular triangular array read by rows. T(n,k) is the number of ordered set partitions of [n] with exactly k descents, n>=0, 0<=k<=binomial(n,2). A381299

Numbers whose square is the concatenation of two numbers k and k+9. A115441

T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with every element equal to or 1 greater than any west or northeast neighbors modulo n and the upper left element equal to 0. A267742

Four times the sum of all divisors of all positive integers <= n. A243980

Expansion of ∏_k>=1 1/(1-x^k+2)^k. A263358

Triangle read by rows: T(n,k) = number of chiral pairs of color patterns (set partitions) in a row of length n using exactly k colors (subsets). A320525

Numbers that are the sum of eight fourth powers in three or more ways. A345578

Numbers that are the sum of eight fourth powers in exactly three ways. A345835