Properties of the Number 31434

Thirty-One Thousand Four Hundred Thirty-Four

Basics

Value: 31433 → 31434 → 31435

Parity: even

Prime: No

Previous Prime: 31397

Next Prime: 31469

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 13 ² × 31

Divisors: 1, 2, 3, 6, 13, 26, 31, 39, 62, 78

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 111101011001010

Octal: 75312

Duodecimal: 16236

Hexadecimal: 7aca

Square: 988096356

Square Root: 177.29636206081614

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

a(n) = (1/48)*n*(n+5)²*(1·n³ + 7·n² + 16·n + 28). A290071

Numbers n such that A083722(n) > 1 and A083722(n) occurs later in A083722. A293893

Dispersion of (2·floor(n·sqrt(2))), by antidiagonals. A191541

Numbers n such that Bernoulli number B_n has denominator 3318. A272383

Number of planar n X n X n binary triangular grids symmetric under 120 degree rotation with every one adjacent to exactly 2 other ones. A153986

A(n, k) is the k-th number b > 1 such that b^prime(n+i-1) == 1 (mod prime(n+i)²) for each i = 0..1, with k running over the positive integers; square array, read by antidiagonals, downwards. A319059

a(n) = ∑_k=0..n binomial(5·n+1,k) * binomial(2·n-k,n-k). A386895

Least term in period of continued fraction for sqrt(n) is 10. A31434