Properties of the Number -31398

Thirty-One Thousand Three Hundred Ninety-Eight

Basics

Value: -31399 → -31398 → -31397

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 5233

Divisors: 1, 2, 3, 6, 5233, 10466, 15699, 31398

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111101010100110

Octal: -75246

Duodecimal: -16206

Hexadecimal: -7aa6

Square: 985834404

Square Root: 177.1948080503489

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 of first string of exactly 2n-1 consecutive composite integers. A45881

3rd term of continued fraction for sqrt(2)^sqrt(2)^...^sqrt(2) with n sqrt(2)'s. A198094

Increasing length runs of consecutive composite numbers (starting points). A8950

Number of Dyck paths of semilength n such that all sixteen consecutive step patterns of length 4 occur at least once. A243820

a(n) is the number of integer partitions of n for which the greatest part minus the least part is equal to the index of the seaweed algebra formed by the integer partition paired with its weight. A318176

First subsequent, disjoint occurrence of n consecutive nonprimes. A60064

First nonprime in a sequence of consecutive nonprimes which is at least twice as long as any earlier run of consecutive nonprimes in this list. A56784

a(n) is the smallest positive integer that begins a run of exactly 2·n-1 consecutive integers having at least 4 divisors each. A340735

a(n) is the smallest even number m such that the set {m+1, m+3, m+5, ..., m+(2·n-1)} contains no prime numbers. A383969