Properties of the Number 2431

Two Thousand Four Hundred Thirty-One

Basics

Value: 2430 → 2431 → 2432

Parity: odd

Prime: No

Previous Prime: 2423

Next Prime: 2437

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 11 × 13 × 17

Divisors: 1, 11, 13, 17, 143, 187, 221, 2431

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100101111111

Octal: 4577

Duodecimal: 14A7

Hexadecimal: 97f

Square: 5909761

Square Root: 49.3051721424842

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

4-dimensional pyramidal numbers: a(n) = (3·n+1)*binomial(n+2, 3)/4. Also Stirling2(n+2, n). A1296

Bessel polynomial y_n(x) evaluated at x=1. A1515

Coordination sequence for "pcu-i" 3D uniform tiling. A299277

Decimal representation of permutations of lengths 1, 2, 3, ... arranged lexicographically. A30299

Integers of the form m*(m + 7)/8. A274979

Product of 3 successive primes. A46301

Number of partitions of n such that 2*(least part) = (number of parts). A237757

Egyptian fractions: number of partitions of 1 into reciprocals of positive integers <= n. A20473

Gullwing sequence (see Comments lines for precise definition). A187220

Numerators in expansion of sqrt(1+x). Absolute values give numerators in expansion of sqrt(1-x). A2596