Properties of the Number 31490

Thirty-One Thousand Four Hundred Ninety

Basics

Value: 31489 → 31490 → 31491

Parity: even

Prime: No

Previous Prime: 31489

Next Prime: 31511

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 5 × 47 × 67

Divisors: 1, 2, 5, 10, 47, 67, 94, 134, 235, 335

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111101100000010

Octal: 75402

Duodecimal: 16282

Hexadecimal: 7b02

Square: 991620100

Square Root: 177.45421944828473

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 inversion sequences of length n avoiding the consecutive patterns 011 and 012. A328433

Table, read by antidiagonals, in which the n-th row comprises A214206(n) in position 0 followed by a second order recursive series G in which each product G(i)*G(i+1) lies in the same row of A001477 (interpreted as a square array - see below). A182441

Numbers whose set of base-13 digits is {1,4}. A32825

Numbers n such that 41#*2ⁿ-1 is prime, where # denotes the primorial, A002110. A176061

Number of conjugate-congruent partitions of n. A137438

Numbers whose base-8 representation has one fewer 0 than 7's. A31490