Properties of the Number 3131

Three Thousand One Hundred Thirty-One

Basics

Value: 3130 → 3131 → 3132

Parity: odd

Prime: No

Previous Prime: 3121

Next Prime: 3137

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 31 × 101

Divisors: 1, 31, 101, 3131

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110000111011

Octal: 6073

Duodecimal: 198B

Hexadecimal: c3b

Square: 9803161

Square Root: 55.95533933415113

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

a(n) is the smallest m > 1 such that m divides ∑_k=1..m prime(k)ⁿ. A85450

Doublets: base-10 representation is the juxtaposition of two identical strings. A20338

Sums of distinct powers of 5. A33042

Number of integer partitions of n without choosable initial intervals. A387118

Numbers having only digits 1 and 3 in their decimal representation. A32917

Numbers with multiplicative digital root value 9. A34056

Each permutation in the list A060117 converted to Site Swap notation, with digits reversed and inverted. "Zero throws" (fixed elements) indicated with 0's. A60498

Array read by descending antidiagonals: T(n,k) is the number of ways to partition n X n X n cube into k noncongruent cuboids. A386296

Each permutation in the list A060117 converted to Site Swap notation, with "zero throws" (fixed elements) replaced with n, the length of siteswap. A60495

Binary representation of n interpreted in base p, where p is the smallest prime factor of n: p = A020639(n). A92524