Properties of the Number 31424

Thirty-One Thousand Four Hundred Twenty-Four

Basics

Value: 31423 → 31424 → 31425

Parity: even

Prime: No

Previous Prime: 31397

Next Prime: 31469

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ⁶ × 491

Divisors: 1, 2, 4, 8, 16, 32, 64, 491, 982, 1964

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111101011000000

Octal: 75300

Duodecimal: 16228

Hexadecimal: 7ac0

Square: 987467776

Square Root: 177.2681584492827

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

Smallest number at distance n from nearest prime. A51652

Expansion of φ(q²)² / (φ(-q) * φ(q⁴)) in powers of q where φ() is a Ramanujan θ function. A212318

Number of permutations p of 1,2,...,n satisfying |p(i+2)-p(i)|<>3 and |p(j+3)-p(j)|<>2 for all i=1..n-2, j=1..n-3. A189565

Expansion of φ(q²)² / (φ(q) * φ(q⁴)) in powers of q where φ() is a Ramanujan θ function. A232358

Smallest number at distance 2n+1 from nearest prime. A51729

a(n) is the smallest number for which the prime distance A051699 is equal to n. A77019

Smallest number at distance exactly 3n from nearest prime. A132470

First differences of (provable) Sierpiński numbers (A076336). A270971

Consecutive internal states of the linear congruential pseudo-random number generator (421·s + 54773) mod 259200 when started at 1. A383129

a(n) is the number of cubic polynomials with coefficients in {-n, ..., n}, positive leading coefficient, and having three rational roots. A392944