Properties of the Number 31459

Thirty-One Thousand Four Hundred Fifty-Nine

Basics

Value: 31458 → 31459 → 31460

Parity: odd

Prime: No

Previous Prime: 31397

Next Prime: 31469

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 163 × 193

Divisors: 1, 163, 193, 31459

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111101011100011

Octal: 75343

Duodecimal: 16257

Hexadecimal: 7ae3

Square: 989668681

Square Root: 177.36685146892583

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

Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 414", based on the 5-celled von Neumann neighborhood. A282009

n-th 4k+1 prime times n-th 4k-1 prime. A48630

Numbers k for which there are no prime numbers in the range (k-4·sqrt(sqrt(k)), k]. A192320

Composite numbers not divisible by 2 or 3 which in base 3 contain their largest proper factor as a substring. A63132

Number of (w,x,y) with all terms in {0,...,n} and w ≠ max(|w-x|, |x-y|). A213501

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 555", based on the 5-celled von Neumann neighborhood. A272922

Coefficient of xⁿ in the expansion of ( (1-x+x²)² / (1-x)³ )ⁿ. A372411

a(n) = n-th prime number·n-th lucky number. A32601

Numbers such that the sum of the reverse of their aliquot parts is equal to the reverse of the sum of their aliquot parts. A278948

Numbers whose base-3 representation has 3 fewer 0's than 2's. A31459