Properties of the Number 31403

Thirty-One Thousand Four Hundred Three

Basics

Value: 31402 → 31403 → 31404

Parity: odd

Prime: No

Previous Prime: 31397

Next Prime: 31469

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 31 × 1013

Divisors: 1, 31, 1013, 31403

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111101010101011

Octal: 75253

Duodecimal: 1620B

Hexadecimal: 7aab

Square: 986148409

Square Root: 177.20891625423366

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

Numbers n such that n divides the (left) concatenation of all numbers <= n written in base 13 (most significant digit on right). A61966

Number of length 3 1..(n+1) arrays with every leading partial sum divisible by 2, 3, 5, 7 or 11. A254950

Convolution of Lucas and Jacobsthal numbers. A264038

Expansion of (2 + 6·x + 3·x² +4·x³ - 10·x⁴)/(1 - x - 4·x⁴ + 4·x⁵). A309792

Numbers n such that σ(n)=φ(n·bigomega(n)-1). A67877

Sum of terms in period of continued fraction for sqrt(A031402(n)). A31403