Properties of the Number 12398

Twelve Thousand Three Hundred Ninety-Eight

Basics

Value: 12397 → 12398 → 12399

Parity: even

Prime: No

Previous Prime: 12391

Next Prime: 12401

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 6199

Divisors: 1, 2, 6199, 12398

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11000001101110

Octal: 30156

Duodecimal: 7212

Hexadecimal: 306e

Square: 153710404

Square Root: 111.34630662936243

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

Number of isomorphism classes of connected 7-regular multigraphs of order 2n, loops allowed. A129434

Numbers m such that [A070080(m), A070081(m), A070082(m)] is a right integer triangle. A70136

Numbers which need ten 'Reverse and Add' steps to reach a palindrome. A65215

Triangle read by rows: T(n,k) is the number of weighted lattice paths B(n) having k uhd strings. A247290

Numbers of length n binary words with fewer than 4 0-digits between any pair of consecutive 1-digits. A145112

Dimension of space of invariant tensors in n-th tensor power of fourth fundamental representation of Sp(8). A251596

a(n) = [xⁿ] ∏_k>=1 ((1 - x^n·k)/(1 - x^k))ⁿ. A304625

Number of compositions [p(1), p(2), ..., p(k)] of n such that p(j) >= p(1) - 1. A224960

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 363", based on the 5-celled von Neumann neighborhood. A268154

Floor of (n/e)^n/e. A37446