Properties of the Number 31432

Thirty-One Thousand Four Hundred Thirty-Two

Basics

Value: 31431 → 31432 → 31433

Parity: even

Prime: No

Previous Prime: 31397

Next Prime: 31469

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ³ × 3929

Divisors: 1, 2, 4, 8, 3929, 7858, 15716, 31432

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111101011001000

Octal: 75310

Duodecimal: 16234

Hexadecimal: 7ac8

Square: 987970624

Square Root: 177.29072169744248

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 integer partitions of n of even length whose greatest multiplicity is at most half their length. A338914

Smallest number at distance n from nearest prime. A51652

Lonely numbers: distance to closest prime sets a new record. A51650

Sum of the fifth largest parts of the partitions of n into 9 parts. A326469

Number of edges formed in a square by straight line segments when connecting the n-1 points between each corner that divide each edge into n equal parts to the n-1 points on the edge on the opposite side of the square. A355800

Least positive k such that k * [RSA-640]ⁿ - 1 is prime, where RSA-640 is the 193 decimal digit RSA challenge number A391940(14). A108573

Smallest number at distance 2n+1 from nearest prime. A51729

a(n) is the smallest number for which the prime distance A051699 is equal to n. A77019

Number of length n+3 0..1 arrays with at most two downsteps in every n consecutive neighbor pairs. A256818

List of indices where the maximum of {A316190(j) | j<=n} increases. A316191