Properties of the Number 3151

Three Thousand One Hundred Fifty-One

Basics

Value: 3150 → 3151 → 3152

Parity: odd

Prime: No

Previous Prime: 3137

Next Prime: 3163

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 23 × 137

Divisors: 1, 23, 137, 3151

Polygonal

Triangular: No

Square: No

Pentagonal: Yes

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110001001111

Octal: 6117

Duodecimal: 19A7

Hexadecimal: c4f

Square: 9928801

Square Root: 56.133768802744754

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

Pentagonal numbers: a(n) = n*(3·n-1)/2. A326

Centered pentagonal numbers: (5n²+5n+2)/2; crystal ball sequence for 3.3.3.4.4. planar net. A5891

a(n) = ∑_{k divides n} (n/k)^k. A55225

Sums of distinct powers of 5. A33042

Pentagonal numbers with even index. A49452

Number of partitions of n into parts >= 6. A185326

Decimal encoding of the prime factorization of n: concatenation of prime factors and exponents. A67599

Number of partitions of n in which the least part is 6. A26799

a(n) = ∑_k=0..n C(n-k, floor(k/2)). A97333

Numbers which yield a prime whenever a 1 is inserted anywhere in them (including at the beginning or end). A68679