Properties of the Number 31427

Thirty-One Thousand Four Hundred Twenty-Seven

Basics

Value: 31426 → 31427 → 31428

Parity: odd

Prime: No

Previous Prime: 31397

Next Prime: 31469

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 11 × 2857

Divisors: 1, 11, 2857, 31427

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111101011000011

Octal: 75303

Duodecimal: 1622B

Hexadecimal: 7ac3

Square: 987656329

Square Root: 177.2766200038798

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 that cannot be expressed as sum of at most nine repdigits numbers. One may not add two integers with the same repeated digit. A339673

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

Number of (w,x,y,z) with all terms in {0,...,n} and w=max{w,x,y,z}-2·min{w,x,y,z}. A212745

Smallest number at distance 2n from nearest prime (variant 2). A132860

First column of A261987. A262042

Least positive k such that the distance from k to closest prime = n. A79582

Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 0100-1101-0111 pattern in any orientation. A147057

Numbers whose square is a zeroless pandigital number (i.e., use the digits 1 through 9 once). A71519

Penholodigital squares: squares containing each of the digits 1..9 exactly once. A36744