Properties of the Number 3149

Three Thousand One Hundred Forty-Nine

Basics

Value: 3148 → 3149 → 3150

Parity: odd

Prime: No

Previous Prime: 3137

Next Prime: 3163

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 47 × 67

Divisors: 1, 47, 67, 3149

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110001001101

Octal: 6115

Duodecimal: 19A5

Hexadecimal: c4d

Square: 9916201

Square Root: 56.1159513863928

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 T(n,k) of set partitions of [n] such that k is the largest element of the last block; triangle T(n,k), n>=1, 1<=k<=n, read by rows. A271466

a(n) = floor((4/3)ⁿ). A64628

a(n) = n*(n+20). A120071

Sorted positions of first appearances in A057820, the sequence of first differences of prime-powers. A376340

a(0) = 0; thereafter a(n) = a(n-1) + n² if a(n-1) < n², otherwise a(n) = a(n-1) - n². A76042

Partial sums of A219661. A226061

T(n,k)=Number of nXk 0..1 arrays with rows nondecreasing and antidiagonals unimodal. A224133

Number of Cartesian lattice points in or on the circle x² + y² = 10ⁿ. A68785

Numbers n such that the second maximal prime <= sqrt(n) is the least prime divisor of n. A247393

Positions of 1's in A274640: Greedy Queens on a spiral. Equivalently, positions of 0's in A274641. A273059