ℕ atory
Play Now

Properties of the Number 2630

Two Thousand Six Hundred Thirty

Basics

Value: 2629 → 2630 → 2631

Parity: even

Prime: No

Previous Prime: 2621

Next Prime: 2633

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 × 5 × 263

Divisors: 1, 2, 5, 10, 263, 526, 1315, 2630

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 101001000110

Octal: 5106

Duodecimal: 1632

Hexadecimal: a46

Square: 6916900

Square Root: 51.28352561983234

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 partitions of n such that some part is a sum of two or more other parts. A237668
Numbers m such that the Bernoulli number Bm has denominator 66. A51230
Goodstein sequence starting with 4: to calculate a(n+1), write a(n) in the hereditary representation in base n+2, then bump the base to n+3, then subtract 1. A56193
Starts of runs of 3 consecutive Zeckendorf-Niven numbers (A328208). A328210
Number of integer compositions of n whose leaders of strictly decreasing runs are identical. A374760
Compound filter: a(n) = P(A003557(n), A048250(n)), where P(n,k) is sequence A000027 used as a pairing function. A291750
Number of strict integer partitions with sum <= n that can be linearly combined using nonnegative coefficients to obtain n. A365311
Compound filter: a(n) = T(A046523(n), A278222(n)), where T(n,k) is sequence A000027 used as a pairing function. A286163
Inverse Moebius transform of Fibonacci numbers 1,1,2,3,5,8,... A7435
T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock sum of the two maximums of the central row and the central column and the two medians of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A254775