Properties of the Number 31498

Thirty-One Thousand Four Hundred Ninety-Eight

Basics

Value: 31497 → 31498 → 31499

Parity: even

Prime: No

Previous Prime: 31489

Next Prime: 31511

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 15749

Divisors: 1, 2, 15749, 31498

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111101100001010

Octal: 75412

Duodecimal: 1628A

Hexadecimal: 7b0a

Square: 992124004

Square Root: 177.47675904185314

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

Number of maximal Golomb rulers of length n. A325683

Number of partitions of n such that the number of parts is not a part and the number of distinct parts is a part. A241378

a(n) = 2·A276086(n) - A276086(A001065(n)), where A276086 is the primorial base exp-function, and A001065 is the sum of proper divisors of n. A379494

Number of nX7 0..1 arrays with every element equal to 1, 2 or 4 king-move adjacent elements, with upper left element zero. A297857

Numbers k such that 10^k - 117 is prime. A108654

Partial sums of economical numbers A046759. A172460

a(n) = 32·n² - 40·n + 10. A343578

Numbers whose base-10 representation has 2 more 0's than 9's. A31498