Properties of the Number 4345

Four Thousand Three Hundred Forty-Five

Basics

Value: 4344 → 4345 → 4346

Parity: odd

Prime: No

Previous Prime: 4339

Next Prime: 4349

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 5 × 11 × 79

Divisors: 1, 5, 11, 55, 79, 395, 869, 4345

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1000011111001

Octal: 10371

Duodecimal: 2621

Hexadecimal: 10f9

Square: 18879025

Square Root: 65.91661399070799

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

Partial sums of A299277. A299278

a(0) = 0, a(1) = 1; a(n) = max { 4·a(k) + a(n-k) | 1 <= k <= n/2 }, for n > 1. A116520

Rectangular table, read by antidiagonals, such that the g.f. of row n, R_n(y), satisfies: R_n(y) = [ ∑_k>=0 y^k * R_n·k(y) ]ⁿ for n>=0, with R₀(y)=1. A124550

Antidiagonal-sums of the array A376682(n,k) = n-th term of the k-th differences of the noncomposite numbers (A008578). A376683

McKay-Thompson series of class 9B for the Monster group. A58091

Right-angled numbers with an internal digit as the vertex. A135602

Triangular matrix T that satisfies: T³ - T² + I = SHIFT_LEFT(T), as read by rows. A185620

G.f. A(x) satisfies A(x) = 1 / ((1 - x) * (1 - x·A(x)⁷)). A349293

Row 5 of table A124550; also equals the self-convolution 5th power of A124565, which is row 5 of table A124560. A124555

Sum of prime divisors of n (with repetition) is one less than the sum of prime divisors (with repetition) of n+1. A228126